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Forsythia x intermedia
Forsythia x intermedia

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Zone
Zones A2, A3, 1A, 2-11, 14-16, 18, 19
Full Sun
Full
Regular Water
Moderate

Forsythia hardy hybrids

Oleaceae
Deciduous, Shrubs, Flowers

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

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Forsythia hardy hybrids

These cold-hardy introductions have extended the range of forsythia into regions formerly too cold for successful flowering—or even for the plant’s survival.

‘Meadowlark’. To 6–9 ft. tall, 10 ft. wide; semiarching habit. Bright yellow flowers open from buds hardy to –35°F (–37°C).

‘New Hampshire Gold’. Mounding habit to 5 ft. tall and broad, with drooping yellow flowers. Buds are hardy to –35°F (–37°C).

‘Northern Sun’. Erect grower to 8–10 ft. tall and slightly narrower; reliably bud-hardy to –30°F (–34°C).

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