by Chris Earley

How will U do on this quiz? It is a hard one - we had to resort to using some scientific names to get enough. If you get more than 3 of these we are impressed! The answers are at the bottom of the newsletter. A printable version is available by clicking here: http://www.uoguelph.ca/arboretum/Listservnewsletter/June_2018/printable_quiz_letter_u_June_2018.pdf.

by Shelley Hunt

Summer’s here and everything is running at high gear here at The Arboretum! Our summer staff, all U of G students, are working hard – we hire several students each summer to help us mow, mulch, dig, plant and everything else that’s needed to keep the plant collections and gardens beautiful. On the education side, we hire a summer interpreter to help with tours and programs, including our popular Wednesday Evening Walks, and our amazing teacher-training program, which brings elementary and high-school teachers from the Upper Grand District School Board to The Arboretum for workshops geared at encouraging them to get outdoors with their students for curriculum-relevant nature-based learning. Combined with our donor-funded internship program, which has allowed us to hire recent U of G grads for year-long contracts (one as a horticulturist, the other as an interpretive biologist), the influx of summer staff each year significantly bumps up our staff numbers and makes for a big, fun team to work with!

One big task for our whole staff this summer is the planning and preparation for a very exciting event that I am happy to share with you – on Saturday, September 8th, we will be opening our doors for the very first Arboretum Expo! Many of you will be familiar with our long-running fall plant sale that has been on hiatus for the past couple of years. This year, we are changing things up with a day-long celebration of all things Arboretum, an open-house-style event complete with tours, activities, booths, and, yes, a plant sale! Our Head of Horticulture Sean Fox has written a tantalizing account of the new incarnation of our plant sale in his article below. Please save the September 8th date (10 a.m. - 3 p.m. in and around the Arboretum Centre), and join us at our (kid-friendly) Arboretum Expo to ‘Meet the Trees’!

by Sean Fox

Have you heard the big news? It’s back! This year marks our inaugural Arboretum Expo, and along with it, the return of our much-beloved Arboretum Auxiliary Plant Sale. While we’ve been unable to hold our plant sale in the former location for the past 2 years, Arboretum staff and volunteers have remained busy in our nursery cultivating young plants for our plant collections and restoration projects. We’ve had such success that we’ve been left with some surplus stock that we’re excited to make available to gardeners in our provincial community who share our love of plants.

On Saturday, September 8th, we’ll be reintroducing our plant sale in a new location under a different format. Along with other Arboretum Expo activities, we’ll be holding the sale at the OAC Centennial Arboretum Centre. Due to the site change, the quantities will be a little smaller than some of you may remember, however, we’ll be making up for it by offering a curated selection of only our most special plants; plants that visitors will have difficulty finding anywhere else. There will be some truly one-of-a-kind treasures available only at the Arboretum Expo.

What’s been potted up? Well, where do we even begin? How about with some rare species that have been ethically-grown through seed collected from our Arboretum Gene Bank? This genetic archive contains plants with original parentage from known, wild, Ontario populations. With seed now being produced on our own plants, we’re able to responsibly offer offspring with provincial origins without impacting the limited wild populations that remain. For some species you won’t find at a garden centre, why not look into Eastern Burning-bush (Euonymus atropurpureus), Dwarf Hackberry (Celtis tenuifolia), Shrubby St. John’s Wort (Hypericum prolificum) Cherry Birch (Betula lenta), Pawpaw (Asimina triloba), Virginia Mallow (Ripariosida hermaphrodita), and Short-stemmed Iris (Iris brevicaulis)?

How about some native species that are more abundant in the wild, but otherwise uncommon in cultivation? Some nifty finds include Leatherwood (Dirca palustris), Bottle Gentian (Gentiana andrewsii), Twining Honeysuckle (Lonicera dioica), Bog Goldenrod (Solidago ulginosa), American Water-horehound (Lycopus americanus) and Wild Plum (Prunus americana).

We know that many of you are passionate about your plants, so maybe you’re looking for something truly out-of-the-ordinary that you won’t find in any of your neighbour’s gardens. If so, perhaps some Appalachian species such as Sourwood (Oxydendrum arboreum), Virginia Dayflower (Commelina virginica), or Cave Alumroot (Heuchera parviflora var. parviflora) would tickle your fancy.

More? How about Kentucky Coffee-trees (Gymnocladus dioicus) whose seed first passed through the digestive system of an elephant before germinating as part of one of our Arboretum research projects? Maybe you’d instead prefer a White Pine (Pinus strobus) sapling? In particular, offspring from some massive trees planted by the man considered to be Ontario’s Father of Reforestation, (as well as former Ontario Agricultural College faculty member), Edmund Zavitz? These giant white pines, planted by Zavitz in 1907 in what is now The Arboretum, were recently designated as provincial heritage trees by Forests Ontario and the Ontario Urban Forest Council.

We could certainly go on, so consider this a preview, but please stay tuned to our Arboretum website, Facebook and Instagram pages for more plant sale updates, including a full inventory posting this summer.

Our Arboretum nursery and seed group volunteers have been busy tending to these lovely plants in preparation for the big day, and all proceeds from our sale go toward the continued maintenance and development of The Arboretum; a non-profit living museum of plant collections, gardens, forests, nature education, research programs, plant conservation initiatives and so much more. What better time to see it all than the Arboretum Expo. Hope to see you there!

            
             A few of the members of our Arboretum Auxiliary Plant
                 Nursery Group taking a moment as spring unfolds.
   
           
            Twining honeysuckle (Lonicera dioica) with its unique twist
               on fruit arrangement.

          
           The early season blooms of Pawpaw (Asimina triloba).

          
           While the leaves of Eastern Burning-Bush (Euonymus
              atropurpureus) shine in the autumn, so do the fruit!

submitted by Aron Fazekas

The Arboretum grounds are used by many researchers, including undergraduate and graduate students, faculty, and researchers from external organizations. This past fall, we had over 20 groups of undergraduate students from BIOL*3010 (Lab & Field Work in Ecology) working on independent projects Two of these projects are described below. If you would like further information on research at The Arboretum please contact our Research Co-ordinator, Dr. Aron Fazekas at [log in to unmask].

Factors affecting senescence in Blue Ash
By Bailey Bingham
Project collaborators: Zach Schonberger, Amy Virostek and Kate Willcox
Fall colours in The Arboretum are not only beautiful but are also very important to the health and success of the trees. The changing colours of the leaves means that the tree’s growing season is over and that they are remobilizing the nutrients in the leaves to other parts of the tree for winter. This process is called autumnal senescence. The timing of autumnal senescence is very important, as a successful tree will keep green leaves for as long as possible (extending its growing season) but remobilize those nutrients and drop its leaves before they are killed by the first frost.

There are two primary mechanisms for how trees determine the best time to change colour and drop their leaves: either it is an evolutionary adaptation (i.e. an internal clock) or it is a plastic response based on local conditions. If it is an adaptation, then trees would be adapted to the photoperiod of their local environment. So, a tree hailing from northern Ontario would be adapted to senescing earlier than a tree from southern Ontario; even if you moved the northern tree to the south, it would still senesce earlier because of its internal clock telling it that winter is coming. If senescence is a plastic response, then a northern tree, moved to the south, might senesce at the same time as its new southern neighbours, because it is responding to the same temperature cues that they are. Because nothing is ever black and white in nature, it is likely that a combination of these two hypotheses is what actually controls senescence. Some researchers have shown that the use of adapted or plastic cues depends on species, while others propose that some trees use both cues, but for different aspects of the senescence process.

For my BIOL*3010 project, I looked at how Blue Ash trees in The Arboretum timed the beginning, the ending and the duration of senescence. Luckily for us, The Arboretum has gene banks which are intended to provide refuge for rare and endangered trees, including Blue Ash (Fraxinus quadrangulata). These gene banks consist of trees grown from seeds obtained from all over Ontario. These collections of trees from different areas, grown in a single location provided a fantastic opportunity to complete our study of the genetic and plastic controls of autumnal senescence.

Our study tracked the senescence process in thirty-four Blue Ash trees from the beginning of September 2017 until the first major frost on October 26, 2017. Overall, our findings supported past literature indicating that different factors may control the different aspects of the process of senescence in these trees. We found that date of onset of senescence was not different between trees from different regions of Ontario, indicating that it may have been a plastic response to local conditions. In comparison, date of completion of senescence was found to vary across trees originating in different townships, which provided support for the idea of an internal clock in these trees.

A limitation of our study was that we couldn’t really look at plastic responses very well, as we only had data from one year. Multi-year analyses would provide a much clearer picture of how individual tree’s timing of senescence responded to yearly variation in temperature.

If any students are interested in continuing this study for your Lab and Field Project, please reach out! It would be really neat to continue this study across multiple years!


Effects of native and non-native predator calls on an alarm behaviour in black-capped chickadees
By Ruby Allen-Powlesland
Project collaborators: Taylor Dupont, Alyssa Robson, Richard Murray, and Nicole Karbusicky
There is increasing interest in integrating discoveries from birds’ anti-predator communication strategies (i.e. alarm calls) into conversation methods. For instance, how might black-capped chickadees (Poecile atricapillus) change the frequency of their infamous ‘chick-a-dee” alarm calls when invasive predators are close? Does the frequency of these alarm calls differ in response to native versus non-native predators?

In our BIOL*3010 research project, we tested the effects of native versus non-native predators’ calls on chickadee alarm behavior. From previous studies, we know that chickadees are able to identify specific predators and warn other flock members in order to defend themselves. Based on this knowledge, we hypothesized that chickadees will have more effective alarm calls in response to established, native predators than in response to newly introduced, non-native predators. This is because chickadees have not learned the predator-specific vocalizations required to identify newer predators to their flock. We predicted that chickadees would respond with more frequent ‘chick-a-dee’ alarm calls in response to native calls than to non-native calls.

To test our hypothesis and predictions, we performed a field study in the University of Guelph Arboretum to observe the calls of chickadees in response to predator auditory cues. Using a speaker to play audio cues, we performed six treatments: three audio recordings of native hawks, which are current predators to chickadees, and three audio recordings of historically absent hawks. We then recorded the number of ‘chick-a-dee’ alarm calls in response.

In our study, chickadees exhibited significantly less ‘chick-a-dee’ calls in response to non-native predator calls than to native predator calls. These results support our hypothesis that chickadees have more effective alarm calls in response to established, native predators than to newly introduced, non-native predators. Further management of non-native predators would benefit chickadee survivorship, since less frequent alarm calling could decrease a chickadee’s ability to warn its flock and protect itself.

by Rachel Irwin

If you’ve ever been on one of my Wednesday Noon Walks you probably know by now that my favourite tree is the Trembling Aspen (Populus tremuloides). It is a tree of many names - Quaking Aspen, Quivering Aspen, and in several native languages the name translates as “talking tree,” “noisy leaf” and even “woman's tongue.” And that’s because, just like me, this tree doesn’t stop talking! This tree rustles and trembles in even the lightest breeze due to its long and flattened leaf stems. Next time you stumble across a Trembling Aspen, try and roll the stem of the leaf between your fingers. So what makes one of North America’s most widely distributed species so special? Well, I have narrowed it down to 5 amazing reasons:

1. Brilliant Foliage - For starters, this tree is aesthetically pleasing, especially in the fall as the leaves turn a brilliant golden-yellow.

2. Photosynthesizing Bark - Yes, you heard me right. Cells in the bark of Trembling Aspens contain chlorophyll which enables stems and branches to take on photosynthesis in the absence of leaves! A study by Pearson & Lawrence (1958) found that chlorophyll pigments are more abundant in the bark early in the growing season before the leaves have fully emerged. Take a close look at the bark of a Trembling Aspen, does it look green? Can you spot the diamond shaped marks in the bark? These marks contain small pores called lenticels which assist with gas exchange between the plant tissues and atmosphere.

3. Giant Superorganisms - If you come across a Trembling Aspen it is likely to be surrounded by several other Trembling Aspens. That’s because Trembling Aspens reproduce from their roots! All of the trees in an Aspen stand likely originated from a single Aspen seedling. Making them one genetically identical superorganism that is connected underground! Individual Aspen trees live to be about 100-150 years old, however, due to their ability to continuously reproduce clones a colony of Aspens can live for thousands of years. In fact, there is a Trembling Aspen grove in Utah named Pando which stretches across 100 acres, consists of approximately 47, 000 stems and is estimated to be 80, 000 years old! Pando is considered to be one of the largest and oldest living organisms in the world! The mother tree is likely long gone, however, her genetic makeup continues for thousands of years through her clones.

4. Fire Resistant - Trembling Aspens are considered to be a fire resistant species even though the actual trees can be severely burned and killed in crown fires. That is because the extensive root system remains intact and regenerates prolifically after fires. Heat from the fire actually helps aid in sprout production, allowing Trembling Aspens to develop more quickly than they would on cold sites. Trembling Aspens are one of the first tree’s to colonize after large disturbances to an ecosystem, making them a pioneer species. They are a part of the first stages of succession and they help to restore an ecosystem back to its diverse and steady-state.

5. Nurse Tree - As mentioned above, Trembling Aspens help to heal ecosystems after large disturbances. Trembling Aspens are considered a “nurse tree” because they are fast-growing trees that are able to provide shade, protection and support to slower-growing plants. Additionally, these trees support large populations of animals as they produce an abundance of foliage and their buds are an important food source during the winter. Aspens also have the ability to help nurse us back to health! The bark is rich in salicin, an aspirin-like substance that has been used to treat burns, fevers, back-pain and eczema.

Figure 1 Trembling Aspen bark. The dark, vertical squiggly marks on the left are made by feeding snails.

Now just like a snail foraging on Trembling Aspen bark, I have barely scratched the surface! It is no wonder that these are North America’s most widespread tree. How wonderfully tree-mendous are Trembling Aspens?!

References:
Annmarie Skin Care. (n.d.). Aspen bark, the all-natural preservative. Retrieved from:
https://www.annmariegianni.com/aspen-bark-the-all-natural-preservative/
Ehrenberg, R. (2018). What makes a tree a tree? Knowable Magazine. Retrieved from:
https://www.knowablemagazine.org/article/living-world/2018/what-makes-tree-tree
Farrar, J. L. (1995). Trees in Canada. Markham, Ontario: Fitzhenry & Whiteside Limited.
Howard, J. L. (1996). Populus tremuloides. Fire Effects Information System. Retrieved from
https://www.fs.fed.us/database/feis/plants/tree/poptre/all.html
Pearson, L., C. and Lawrence, D., B. (1958). Photosynthesis in aspen bark. American Journal of Botany, 45(5):
383-387.
Tu, C. (2015). Earth’s biggest living thing might be a tree with thousands of clone. Retrieved
from:https://www.pri.org/stories/2015-05-05/earths-biggest-living-thing-might-be-tree-thousands-clones

A printable version of this article is available here: http://www.uoguelph.ca/arboretum/Listservnewsletter/June_2018/Trembling_Aspens_Rachel_Irwin_June_2018.pdf

by Ruth Robinson

This Year of the Dog article deals not with the Chinese zodiac animal of 2018, the reliable furry friends we know and love, but rather with some plants you may already know or may take the time to seek out this year. All have “dog” in their common names.

Yellow Dog-tooth Violet ( Erythronium americanum) – The common name refers to its white corm, which is shaped like a dog’s tooth. One of its alternate names is Trout Lily because the leaves resemble the mottling of brook trout. Everyone is familiar with this early woodland bloomer with its bright yellow petals. It takes 4-7 years to mature and during this time has only one leaf per plant. At maturity, there will be two leaves and a single bloom. An average colony has only .5 percent mature plants so commonly you will see a carpet of leaves and a few precious flowers.

Dogwood (Cornus sp.) – There are many species of dogwoods native to our area, the most well known of which is likely Red Osier Dogwood. With its red twigs it is a popular choice for winter decorating. The flowers (bracts) of many species aren’t too showy but non-native Kousa and Cornelian Cherry Dogwoods and native Flowering Dogwood are exceptions. The fruit of many species is white or bluish and is in clusters. That of the Cornelian Cherry are red and make a fine jelly. The leaves have distinctively parallel veins and gently tearing the leaf in two will reveal threads of latex running through the veins, a diagnostic feature. Bunchberry or Creeping Dogwood is a delightful little herbaceous groundcover found in moist boreal woods. It has showy white bracts and red berries.

Dogbane (Apocynum sp.) – Apocynum means “away from dogs” because it is poisonous to them as well as other mammals. It is a plant in the milkweed family so it should be no surprise that it has milky sap and bears a resemblance to its milkweed cousins. The plants form a colony. The flowers are a great nectar and pollen source for butterflies, bees and other insects. The fruits are long narrow pods in pairs, which when ripe split open like milkweed pods. Look for the beautiful iridescent red and green coloured Dogbane Beetles, which feed on the leaves in mid-summer.

Dog-strangling Vine (Vincetoxicum rossicum) – This plant, also in the milkweed family, is a highly invasive species from Europe, introduced no doubt due to its attractive appearance. It has delicate pink to brown flowers, leaves similar to milkweed and dogbane and milky sap. The seeds are borne in narrow pods which split open to release fluffy seeds. (Be careful not to bring any with you.) It grows from .6-2 meters tall and loves to twine around vegetation but fortunately not around dogs. It thrives in a lime-based soil and happily moves into areas where the soil has been disturbed. Its dense mats can quickly displace native plants. Sightings of this vine should be reported to the Invasive Species Hotline 1-800-563-7711 or on EDDMapS Ontario.

These dog plants all have many interesting features and Year of the Dog is a perfect time to take note of them.

We are lucky to have an awesome Arboretum Auxiliary! We have an amazing group of individuals that come together in various smaller groups to make up our Arboretum Volunteers (Auxiliary). The groups assist us with many things here at The Arboretum including caring for the gardens and collections, preparing for our Plant Sale, leading tours, assisting guests at our front desk, distributing promotional flyers and so much more. Spring has been a busy time for our volunteer groups as the grounds come alive there is so much to do. Thank you to all our volunteers for helping The Arboretum Grow! If you would like further information on volunteering at The Arboretum please check out our website at: https://www.uoguelph.ca/arboretum/volunteer/overview.

Summer is almost officially here and with that comes vacation time for most. Hopefully you will have the opportunity to get out and explore the outdoors... We can provide you with tools to help you do this.

We have a series of 5 booklets: Feeder Birds, Wildflowers, Mammals, Dragonflies and Summer Garden Birds. Each booklet is full colour and is $8. Details can be found on our website.

We also have a nature journal with a series of colour photos in the centre pages and lots of unique pages with leaf backgrounds for sketching or journaling. Each journal is $10.

Our biodiversity sheets are $5 each. Each double-sided, laminated placemat features a different topic in nature.

For the first time we have published a desktop calendar featuring an Arboretum grounds photo for each month. We have a small handful of these 2018 calendars left so if you find you find yourself looking for a calendar on your desk but not finding it than come and see us.

Our pin-on buttons for $1 each and our cling window decals of the Arboretum logo are great souvenirs of The Arboretum.

We also have a hat and t-shirt available. The hats are made of a moisture wicking, UV protectant, active wear fabric with an elastic buckle and hidden velcro adjustable size system. They are $28 including tax. The t-shirts are made from organic cotton/bamboo (but don’t feed it to your panda), and feature the leaves of 16 different tree species. They are $33 including tax.

To purchase these booklets, journals, placemats, calendars, buttons or window decals please call ext. 52358 or e-mail us at [log in to unmask]. We would be happy to mail these out to you (a mailing fee will apply). An order form is attached to the image below should you wish to fill it out and scan a copy to us.

We have two great options available for guided walks on The Arboretum grounds.

Join Rachel every Wednesday at 12:15 as he explores the grounds on a 50 minute hike. It is a wonderful way to explore as spring migrants return and life blooms on The Arboretum grounds. The walk is free and you should meet at the kiosk at the end of the promenade closest to campus if you are interested in participating.

On Wednesday evenings through to the end of August our Summer Interpretive Naturalist, Sally leads our Wednesday Evening Walk series. These programs take place each Wednesday evening from 7 p.m. - 8:30 p.m. beginning at the J.C. Taylor Centre. The cost is $2 per person with children under 5 free. Here are some of the upcoming walks:

Inspector wildlife - June 20 - Oftentimes we go on hikes and there’s no wildlife to be seen. Where are all the porcupines, coyotes, or owls? With a bit of detective skills, you’ll begin to see that wildlife are leaving evidence everywhere they go! Put on your thinking caps as we link together these clues to discover which animals have been in the area!

It’s getting hot in here - June 27 - Climate change is a hot topic being passed around these days but are we being directly affected even though we’re not in the Arctic or near an ocean? Discover how climate change is affecting plant and wildlife in the Arboretum and find out what you can do to help!

Arbcapella - July 4 - Everytime I go for a walk outdoors, I feel as though I'm in a surround sound theatre.  From birds calls in the sky above me to wind rustling through the trees behind me, nature has created a symphony of its own.  Join us this Wednesday as we listen to the sounds and music found in The Arboretum.

Copy and Paste - July 11 - Have you ever wondered why some moths have spots on their wings that resemble eyes?  To mimic other animals of course!  This Wednesday we will be exploring the many different organisms that have learned and adapted to look, smell or behave like other animals!

All Bark, No Bite - July 18 - How do you properly identify a dogwood tree?  By the bark!  With about 85 native tree species in Ontario, there is so much to know and remember.  Come on out this Wednesday as we branch out our knowledge into the world of trees!

Bigger. Badder. Buggier. The University of Guelph is hosting their second Bug Day on August 26th, 2018 and it’ll be hosted right here in The Arboretum Centre! Hikes, interactive booths and displays will be organized and set up for family and friends. It’ll be a full day dedicated to our six-legged friends. Be sure to mark it down on your calendars! Check out the facebook page for more information and to let us know that we will see you there!

https://www.facebook.com/events/198438394259070/?active_tab=discussion

                             

This is the popular time of the year to get married. We have two picturesque outdoor ceremony sites as well as indoor space with a fabulous view for wedding receptions. If you or someone you know is looking for a space for your wedding ceremony and / or reception please contact Dawn Ann, our Booking Co-ordinator.

The Arboretum is also a great location for your meeting or banquet. We have three rooms that accommodate 2 - 225 people. Our site provides a unique country setting withing the city limits. Catering is provided by Hospitality Services.

Dawn Ann can be reached at 519-824-4120 ext. 54110 or [log in to unmask]. Further information on our unique reception facilities and outdoor ceremony sites can be found on our website.

 
West Lawn                                        Auditorium

The Arboretum’s grounds are the perfect setting for group tours. Our knowledgeable docents (trained volunteer guides) give pre-arranged 1 ½ hour tours of The Arboretum’s grounds, gardens, collections and other points of interest. The tours can be focused on the areas that are seasonally appropriate and / or that are of interest to you and your group. Tours should be booked a minimum of 2 weeks in advance. Tours provide an excellent break for a meeting group. For further information on tours or to make a reservation please contact Dawn Ann Webster at [log in to unmask] or 519-824-4120 ext. 54110.

Would you like to see more of what is happening at The Arboretum or read more nature related information? Check us out on Facebook, Twitter, Instagram, Flickr and YouTube by searching @uogarboretum.

Ontario Insects, Butterflies, Dragonflies and Damselflies, Tree Identification and Shrub Identification workshops are approaching. The dates and registration deadlines can be found in our Coming Events listing in the column on the left side of this newsletter. A detailed description of each course is available on our website. Help us promote our programs… please forward this e-mail on to your friends and colleagues who may be interested. The more participants we have, the more programs we can offer.

Registering early is important for us because we need lead time to decide if there are enough people registered to run the workshop or not. To encourage registering before the deadline, we have an Early Bird Fee. You can still register after the deadline, but it will cost an extra $10, so why not register early?

Registration is available on-line, which allows you to register for our programs at anytime, not just during our regular business hours. A secure link is provided on our website for this easy registration process.

If you do not have internet access, registration can still be made by phone or in person at 519-824-4120 ext. 52358 as in the past. Please remember that a decision is made on the registration deadline as to whether the workshop will run or not, based on the minimum number of required registrants. You may still register after the deadline as long as the workshop is running and there is space.

Many of our butterflies and moths are now emerging so coloured wings are dazzling us. We also overwintered two Polyphemus cocoons from our winter insect workshop and they just emerged - gorgeous! We have had a some encounters with a cross-country traveling Snapping Turtle, some tiny Wood Frogs and a curious Black-billed Cuckoo. As well, a healthy and impressive Coyote has been seen hunting rodents in our nursery north of College. What will you find on your next visit?

 
Polphemus Moths
Photos by Chris Earley

Be a part of the BetterPlanet Project by donating on-line:

Your donation can be directed to The Arboretum online through the secure University of Guelph donation page: http://uofg.convio.net/arboretum

If you prefer not to make an online donation, there are several other ways to provide your financial support. You can choose to donate by telephone, mail, fax, or in person:

UNIVERSITY OF GUELPH Attention Alumni Affairs 50 Stone Road East Guelph, Ontario, Canada N1G 2W1 Tel: 1-888-266-3108 ext. 56934 Tel: 519-824-4120 ext. 56934 Fax: 519-822-2670 Email: [log in to unmask]

If you would like information on bequests and planned giving to The Arboretum please contact:

Amy Atkinson
Senior Development Manager, Ontario Agricultural College
at (519) 824-4120 ext. 58652 or by e-mail at [log in to unmask]