On Trees around Eastern Ontario

Photo:

Owen Clarkin, Swamp White Oak

By Owen Clarkin, Ottawa Field Naturalist Club. All photos courtesy of Owen.

One particularly interesting story from this summer is a population of apparently wild Swamp White Oaks discovered this summer (by Clayton Shearer) near Oak Valley (south of Winchester), including this magnificent roadside specimen:

A fully mature Swamp White Oak
A fully mature Swamp White Oak

Swamp White Oaks have been found along an at least 11.5 km stretch of the South Nation River so far centred approximately at the appropriately-named Oak Valley.

What is likely the largest living Rock Elm in the world is easily visible in Merrickville: this tree is approximately 92′ tall by 3.5′ avg diameter and appears to be a wild origin forest tree that predates the town itself.

Rock Elm in Merrickville
Rock Elm in Merrickville

An extensive population of Red Spruce and Acadian-type forest was discovered over the last few years, mainly existing on sandy soils, semi-continuously from Ottawa to the eastern edge of the province at Voyageur Provincial Park.  Much of this area was unfortunately hard hit by the May 21 derecho event (we’re happy we mostly documented this forest before May!), and some of the notable mature trees have been lost.  Some roadside trees are still standing and easily accessible, such as these:

Red Spruce, unfortunately lost May 21
Red Spruce, unfortunately lost in the big storm on May 21

For interesting forbs/shrubs, the Constance Bay sand hills (can park e.g. here: https://goo.gl/maps/zzxT7mz7HLay6GgPA ) offer an impressive diversity of locally rare/disjunct plants, such as Butterfly Milkweed, Hairy Puccoon, New Jersey Teas (both species), Sweetfern, Fragrant Sumac, American Hazelnut, etc.

Sweetfern in Constance Bay is a charismatic shrub
Sweetfern is a charismatic shrub, in Constance Bay

There’s also some interesting plants in eastern Ontario from an eastern perspective for the province such as Rhodora, Greater Purple Fringed Orchid, Canada Lily, and maybe (unconfirmed but strongly suspected) Canada Serviceberry.

About the Author

Comments

Logging in to comment gives you more features, but it is not required.

Subscribe
Notify of
guest
0 Comments
Oldest
Newest Most Voted
Inline Feedbacks
View all comments

More on Gardening Calendar

White Panicled Aster

Discover the beauty of the white panicled aster, a perennial flowering plant native to North America found in a variety of open, moist habitats. With daisy-like rays, prominent yellow discs, and white panicles, this member of the Asteraceae family is sure to add a memorable accent to your landscape.

Bird Netting for Roses in Winter

Judith shares her secrets on getting her roses ready for winter, including using netting and snow cover. Discover just how she gets her roses prepped with her useful tips and tricks – even with her knee braces!

Gardenia Plant Problems

We discuss a series of gardenia problems homeowners may experience, including yellowing leaves, dropping buds, and sooty mold.

Dense Blazing Star

Dense Blazing Star has purple wands of packed blooms that face all directions and bloom from the top of the stem down from midsummer to fall.

Do Not Disturb the Soil

Turning over the soil damages nutrients and disrupts the soil ecosystem. Explore the benefits of no-till gardening for thriving plants and a healthier environment.