Canopy Trees

The plants you grow for your grandchildren. Canopy trees are the garden's largest and longest-lived residents, the shade-throwers and skyline-makers that set the scale of everything planted beneath them.

105 plants in this collection

№ 101
Stewartia rostrata? Stewartia

We are indebted to Roger Gossler of Oregon for this plant. He describes it as one of the rarest Stewartias, with a large maroon calyx that will surround the seed pods. ãVery beautifulà, he says.

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№ 102
Stewartia sinensisStewartia, Chinese

This small tree of Chinese origin has showy white flowers and fall foliage that is red or reddish. The smooth whitish trunks with exfoliating bark are an important ornamental feature. It is a plant for moist but well-drained acidic soil in sun or half shade. To 15 to 25 feet. Dirr, Manual of Woody Landscape Plants, says: "....a delightful small landscape plant that should be more widely used." and: "Hardy to Boston and should be pursued by discriminating gardeners."

Hardiness
Zones 5–8
Height
15–20 ft.
Spread
6–8 ft.
Bloom
Red
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№ 103
Styrax obassia, fragrant snowbell, bold rounded leaves above drooping chains of white bell flowers.
Fragrant Snowbell
Styrax obassiaFragrant Snowbell

Styrax obassia, the fragrant snowbell, is the bold-leaved cousin of the more familiar Japanese snowbell, a small deciduous tree from the mountain woodlands of Japan, Korea, and China. Where Styrax japonicus hides small bells beneath fine, layered branches, the fragrant snowbell wears large, rounded, almost tropical leaves up to eight inches across, and hangs long, drooping chains of white, bell-shaped flowers that carry a sweet perfume through the late-spring garden.

Hardiness
Zones 5–8
Light
Full Sun / Part Shade
Height
20–30 ft.
Spread
15–20 ft.
Bloom
White
Plant type
Tree
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№ 104
Tilia americana, American basswood, pale yellow fragrant flower clusters in summer.
American Basswood
Tilia americanaAmerican Basswood

American basswood is one of the great shade and honey trees of eastern North America, a fast, stately deciduous tree with large, heart-shaped, softly toothed leaves and a broad, rounded, generous crown. Tilia americana has been cherished by Indigenous peoples, European settlers, and naturalists alike, and goes by a string of names: linden, bee tree, and lime, though the tree is no relation to the citrus lime. In late spring and early summer, hanging clusters of pale yellow, sweetly fragrant flowers open and hum with bees.

Hardiness
Zones 3–8
Light
Full Sun / Part Shade
Height
60–80 ft.
Spread
20–30 ft.
Bloom
Yellow
Plant type
Tree
Traditional use
mental & emotional well-being, respiratory support, digestive health
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№ 105
Zelkova serrata, Japanese zelkova, vase-shaped deciduous shade tree
Japanese Zelkova
Zelkova serrataJapanese Zelkova

One of the finest shade trees for a hard place. Zelkova serrata, the Japanese zelkova, is a deciduous tree of the elm family, native to Japan, Korea, and eastern China, long valued as the sacred keyaki of Japanese temples and a prized timber and bonsai subject. In the West the tree has become a leading street and lawn tree, in no small part as a graceful, disease-resistant stand-in for the American elms lost to Dutch elm disease.

Hardiness
Zones 5–8
Light
Full Sun
Height
40–70 ft.
Spread
40–60 ft.
Bloom
Green
Plant type
Tree
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