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Forsythia x intermedia
Forsythia x intermedia

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Zone
Zones A2, A3, 2B, 3-11, 14-16, 18, 19, 30-41
Full Sun
Full
Regular Water
Moderate

Forsythia viridissima

Greenstem Forsythia
Oleaceae
Deciduous, Shrubs

FORSYTHIA

Native to China and Korea. From late winter to early spring, these fountain-shaped shrubs’ bare branches are covered with 3/4–1 1/2-in. yellow flowers; budded branches can be forced for indoor bloom. During the rest of the growing season, medium green, rounded leaves with pointed tips blend well with other background shrubs. Use as a screen, espalier, or bank cover; or plant in a shrub border. Tolerate most soils. Prune after bloom by cutting to the ground a third of the branches that have flowered; also remove the oldest branches and weak or dead wood. In coldest-winter climates, flower buds may be destroyed by temperatures of 15° to 20°F/26° to 29°C.

Forsythia viridissima ‘Bronxensis’ (photo courtesy of Bailey Nurseries, Inc.)
Forsythia viridissima ‘Bronxensis’ (photo courtesy of Bailey Nurseries, Inc.)

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Forsythia viridissima

From China. Stiff-looking shrub that grows to 6–10 ft. tall and wide, with deep green foliage, olive green stems, and greenish yellow flowers. ‘Bronxensis’ is a slow-growing dwarf to 1 ft. high, 2–3 ft. wide; useful as a groundcover or in borders.

 

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