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

Thursday, June 14, 2007

Trees That Produce Root Suckers

Root-suckering trees can be a landscaping problem.


If you don't want to deal with root suckers (clone trees sprouting up from the roots of a "parent" tree,) don't plant the trees listed below. Some of them produce more root suckers than others, but all of them will send up shoots on a regular basis.

Controlling root suckers by mowingIf you plant them, you can control the suckers by keeping the grass mowed around them. If you aren't vigilant, you may soon have a thicket or a pure stand. If you have a small yard, your neighbors will have to deal with the constant sprouting of root suckers from your tree also.

To help minimize root suckering, avoid any injury to the "parent" tree, such as pruning it or shearing off the tops of its roots with the lawn mower.

This is probably an incomplete list.

  1. Alders --Alnus
  2. Poplars --Populus -- cottonwoods, aspens, poplars (look for non-suckering varieties)
  3. Sumacs -- Rhus
  4. Willows -- Salix
  5. Black locust -- Robinia pseudoacacia
  6. Honey Locust -- Gleditsia triacanthos
  7. Sassafras -- Sassafras albidum (Nutt.) Nees
  8. Blackgum -- Nyssa sylvatica Marsh
  9. Beech -- Fagus grandifolia Ehrh.
  10. Southern Crabapple -- Malus angustifolia Michaux
  11. Wild cherries -- Prunus serotina, Prunus virginiana, Prunus avium, Prunus padus
  12. Wild plums -- Prunus americana
  13. Lindens -- Tilia
  14. Persimmon -- Diospyros spp.
  15. Pawpaw -- Asimina triloba (will create a "pawpaw patch")
  16. Devil's walking stick --Aralia spinosa
  17. Common hoptree -- Ptelea trifoliata
  18. Nannyberry -- Viburnum lentago
  19. Blackhaw -- Viburnum prunifolium
  20. Chinese mulberry -- Cudrania tricus pidata
  21. Chinese jujuba -- Zizyphus jujuba
  22. Juneberries -- Amelanchier spp. (serviceberries, etc.)
Particularly avoid these very invasive root-suckering trees:
  1. White Poplar -- Populus alba
  2. Russian Olive -- Elaeagnus angustifolia L.
  3. Autumn Olive -- Elaeagnus umbellata Thunberg
  4. European Black Alder Alnus glutinosa -- produces root suckers and spreads rampantly by seed
  5. English Elm -- Ulmus procera
  6. Mimosa - - Albizia julibrissin -- produces root suckers and spreads rampantly by seed

4 comments -- please add yours:

Oak Leaf said...

I would like to add to this list Buckeye. This tree suckers at the base and is a horrid nuisance in the lawn with its seeds. It has daughters popping up all over my property. Despite these shortcomings, the Buckeye is lovely in the Spring.

JQ Public said...

What do you think about the suckers from hickory trees? I love these trees and I'm trying to re-establish hickory trees in a clear-cut backyard. They are not stump sprouts but are coming straight out of the ground and growing 1-2 feet a year. Are they strong or will they eventually topple? I guess they biggest thing I'm worried about is their stability. For all I know above ground they are strong straight shoots. After 3 years 1 has grown 7 feet and is just now putting out its second flush of growth. I believe the ones I have are mockernut hickories. Thanks!

Genevieve said...

I wouldn't worry about their stability, any more than you would worry about the stability of any other hickory tree. Yes, they started as a root sucker, but they will develop their own supporting root system as they grow, just as any hickory tree does. The main thing in deciding which hickory suckers to keep would be if they are far enough away from the parent trunk -- the farther the better, in my opinion, to allow room for the branches to develop. It sounds like the suckers are doing pretty well. 7 feet in 3 years is pretty good growth for a hickory.

JQ Public said...

thanks!

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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.

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