Tree Notes is about trees -- especially native trees, trees for wildlife, and trees in history.

Showing posts with label hawthorn trees. Show all posts
Showing posts with label hawthorn trees. Show all posts

Thursday, February 21, 2008

Trees with fine foliage

Trees with small leaves or leaflets


Hawthorn leaves and berriesWhy choose a tree with fine foliage rather than coarse foliage? One reason is to create an optical illusion. You can make a small yard appear longer by using plants and shrubs with large leaves in the foreground and trees with small leaves in the background.

Trees with fine foliage don't make as much of a mess when the leaves drop in autumn. The leaves break down faster and blow away easier. Thus, less raking is required. A few passes with the lawn mower may eliminate the need to rake at all.

Most trees with finer foliage don't create dense shade. Grass and many plants, flowers, and shrubs do better in dappled shade than in dense shade.

I've listed a few native trees below that have small or fine foliage. There are others, but I've limited the list to some that come through most ice/wind events without severe damage.

Of course, there are other factors to consider as well, such as the type of soil and the amount of moisture that will be available to the tree. Links will open an information page about the species at the USDA Plants database.

Amelanchier canadensis -- Canadian serviceberry
Carpinus caroliniana -- American hornbeam
Crataegus -- Hawthorn species
Gymnocladus dioicus -- Kentucky coffeetree
Malus ioensis -- Prairie crabapple
Ptelea trifoliata -- Common hoptree
Quercus palustris -- Pin oak
Viburnum prunifolium -- Blackhaw viburnum
Viburnum rufidulum -- Rusty blackhaw viburnum

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Sunday, November 4, 2007

Hawthorn trees and wildlife

Berries of the Washington hawthorn, Crataegus phaenopyrum


These cheery red berries are the autumn fruit of a thorny little Washington hawthorn tree I planted about a dozen years ago. I got it in a bundle of ten free ornamental trees from Arbor Day Foundation.

Washington Hawthorns bloom late in spring, so this tree's blossoms were not affected by the late freeze last spring. It's loaded with berries. In fact, I think it has the most fruit of any tree I've seen this fall. Many of the fall-fruiting trees and shrubs have nothing at all because their blossoms were frozen.

American Wildlife and Plants (see bibliographic info at the bottom of this page) has the following comment about hawthorn berries:

The small apple-like fruits are not used by wildlife to nearly so great an extent as might be anticipated. Fox sparrows and cedar waxwings are the principal songbird users.


The authors note that up to 25% of the diets of fox sparrows and cedar waxwings may consist of hawthorn berries, in areas where hawthorns are common. They also list about a dozen birds and over a dozen small and large animals that include small amounts of hawthorn berries in their diets (up to 2% of their total diet.)

In a winter of scarce food, I suspect those birds and animals would be glad enough to find a hawthorn tree full of berries.

Hawthorns belong to the rose family, as you might guess when you experience their long, sharp thorns. They are a favorite nesting place for birds. The mockingbirds have a nest in this tree every year.

Friday, August 10, 2007

Native trees for dry, steep sites

Native trees that will grow on dry hillsides


These native trees will tolerate sites with excessive drainage -- hillsides, banks, or slopes, and extremely coarse soils. They will also tolerate droughty conditions, though most of them would like to have a little water sometimes. The common name of each tree is linked to its page in the USDA Plants Database.

Betula populifolia -- Gray birch (tolerates wet to dry conditions)
Carya tomentosa -- Mockernut hickory (prefers some moisture, tolerates dry)
Cotinus americanus -- American smoketree (prefers moist, tolerates dry)
Crataegus crusgali -- Cockspur hawthorn (prefers moist, tolerates dry)
Crataegus mollis -- Downy hawthorn (prefers moist, tolerates dry)
Crataegus nitida -- Glossy hawthorn (prefers moist, tolerates dry)
Crataegus phaenopyrum -- Washington hawthorn (prefers moist, tolerates dry)
Crataegus punctata -- Frosted (or dotted) hawthorn (prefers moist, tolerates dry)
Fraxinus quadrangulata -- Blue ash (tolerates wet to dry conditions)
Juniperus virginiana -- Eastern redcedar (tolerates wet to dry conditions)
Liridendron tulipifera -- Tuliptree or yellow poplar (prefers some moisture, tolerates dry)
Maclura pomifera -- Osage orange or hedgeapple (prefers moist, tolerates dry)
Pinus banksiana -- Jack pine (prefers some moisture, tolerates dry)
Pinus ponderosa -- Ponderosa pine (average to dry conditions)
Pinus rigida -- Pitch pine (average to dry conditions)
Populus deltoides -- Cottonwood or eastern poplar (tolerates wet to dry)
Prunus americana -- American wild plum (prefers some moisture, tolerates dry)
Prunus pennsylvanica -- Pin cherry (tolerates wet to dry)
Quercus marilandica -- Blackjack oak (dry)
Quercus muhlenbergi -- Chinkapin oak (dry)
Quercus velutina -- Black oak (prefers some moisture, tolerates dry)
Rhus species -- Various sumacs (prefer some moisture, tolerate dry)
Robinia pseudoacacia -- Black locust (prefers some moisture, tolerates dry)
Sassafras albidum -- Sassafras (tolerates wet to dry)

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Enrich your life with the study of trees.

"The power to recognize trees at a glance without examining their leaves or flowers or fruit as they are seen, for example, from the car-window during a railroad journey, can only be acquired by studying them as they grow under all possible conditions over wide areas of territory. Such an attainment may not have much practical value, but once acquired it gives to the possessor a good deal of pleasure which is denied to less fortunate travelers."

Charles Sprague Sargent (1841-1927)

Print references I frequently consult

Benvie, Sam. Encyclopedia of North American Trees. Buffalo, NY: Firefly, 2000.

Brockman, C. Frank. Trees of North America: A Guide to Field Identification. Ed. Herbert S. Zim. New York: Golden, 1986.

Cliburn, Jerry, and Ginny Clomps. A Key to Missouri Trees in Winter: An Identification Guide. Conservation Commission of the State of Missouri, 1980.

Collingwood, G. H., Warren David Brush, and Devereux Butcher. Knowing Your Trees. Washington: American Forestry Association, 1978.

Dirr, Michael. Dirr's Hardy Trees and Shrubs: an Illustrated Encyclopedia. Portland, Or.: Timber, 1997.

Elias, Thomas S. The Complete Trees of North America; Field Guide and Natural History. New York: Book Division, Times Mirror Magazines, 1980.

Grimm, William Carey. The Book of Trees;. Harrisburg, PA: Stackpole, 1962.

Hightshoe, Gary L. Native Trees, Shrubs, and Vines for Urban and Rural America: a Planting Design Manual for Environmental Designers. New York: Van Nostrand Reinhold, 1988.

Little, Elbert L. National Audubon Society Field Guide to North American Trees. New York: Chanticleer, 1996.

Martin, Alexander C., Herbert S. Zim, and Arnold L. Nelson. American Wildlife and Plants. New York: McGraw Hill, 1951.

Mitchell, Alan F., and David More. The Trees of North America. New York, NY: Facts On File Publications, 1987.

Randall, Charles E. Enjoying Our Trees. Washington: American Forestry Association, 1969.

Settergren, Carl D., and R. E. McDermott. Trees of Missouri. Columbia: University Extension, 1995.

Sternberg, Guy, and James W. Wilson. Native Trees for North American Landscapes: from the Atlantic to the Rockies. Portland: Timber, 2004.

Wharton, Mary E., and Roger W. Barbour. Trees and Shrubs of Kentucky. Lexington: University of Kentucky, 1973.

Wyman, Donald. Trees for American Gardens. New York: Macmillan, 1965.

Photos and text copyright © 2006-2013 by Genevieve L. Netz. All rights reserved. Do not republish without written permission. My e-mail address is gnetz51@gmail.com