Garden Tidbits - Expert Advice for the Garden



Trees that Heave Patios & Walkways

Getting ready to plant trees? Near a deck, patio or pathway? Here are some general guidelines to allow for adequate space root growth: (All info. from: Roots Demystified, change your gardening habits to help roots thrive.)

- It’s best not to plant trees between paved areas with less than three feet of soil to grow.

- Use trees that mature at less than 30 feet tall when you have a space with three- to four-feet between paved areas, such as between a sidewalk and the street next to a patio or foundation.

- If you’re lucky enough to have a space of five to six feet between paved areas, you can plant trees that mature as high as 50 feet tall.

- With trees higher than 50 feet you’ll need at least eight feet between paved areas. [Prepared by Sherry Rindels, Department of Horticulture Iowa State University, Ames, Iowa.]

Trees Incompatible With Paved Areas:

Common Name, Latin Name, Cultivar, Zones, Size (H’/W)’.
Red Maple, Acer rubrum ‘Franksred’. Zones 3-9, 45’x 35’
Sugar Maple Acer saccharum. Zones 3-8, 70’x 45’.
European Beech, Fagus sylvatic. Zones (4)5-7, 55’ x 40’
White Ash, Fraxinus americana. Zones 3-9, 60’x 60’
Tuliptree, Liriodendron tulipifera. Zones 4-9, 80’x40’
Sweetgum/Liquidamber, Liquidambar styraciflua. Zones 5-9, 70’x 45’
Southern Magnolia, Magnolia grandiflora Zones 6-9, 60’x 50’
London Planetree, Platanus x acerifolia. Zones 4-8(9), 80’x 70’
American Sycamore, Platanus occidentalis. Zones 4-9, 80’x 80’
Poplars, Populus nigra. Zones 3-9, 80’x 12’
CA Sycamore (Platanus racemosa) 'Yardwood‘ 70´h X 50´w. Optimal spacing 35´-40´  The minimum planter width at least 7 feet.



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