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Kumson Korean Greenstem Forsythia

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A Forsythia with year round interest: The bare branches are covered in a profusion of golden yellow flowers in early spring, followed by dark green leaves that glow with clear silver venation. Arching, deep purple branches are revealed in winter after the leaves have dropped. More shade tolerant than other varieties. Deciduous.

Photo credit: Doreen Wynja


  • Full Sun, Partial Sun

  • Moderate

  • Height
    5—10 feet

  • Spread
    4—7 feet

Availability: Out of stock



Follow a regular watering schedule during the first growing season to establish an extensive root system. Feed regularly during the growing season with a general purpose fertilizer. Prune annually in late winter to promote vigorous new growth.

Brand Monrovia
Botanical Name Forsythia viridissima var. koreana 'Kumson'
Plant Type Shrubs
Plant Subtype DECIDUOUS EARLY FLOWERING SHRUB
Foliage Color Dark Green
Light Needs Full Sun, Partial Sun
Water Needs Moderate
USDA Cold Hardiness Zones 4 - 8
Height 5—10 feet
Spread 4—7 feet
Special Uses Year-Round Interest
Flower Color Yellow
Bloom Time Spring

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