Forsythia 'Karl Sax'

Showy Forsythia, Forsythia x intermedia 'Karl Sax'

One of the earliest winter bloomers, their dramatic yellow sprays of scentless flowers appear on arching or trailing bare branches February to April. Lush green foliage follows. The height of these vigorous-growing plants ranges from 1 to 10 feet. Use in shrub borders or containers, as screens or banks, or trained to grow against a wall or fence. Pest- and disease-resistant, they thrive in full sun or light shade, and almost any soil. Forsythia ovata (Korean Forsythia) is the most cold-resistant and earliest-blooming. Prune after flowering. Leave side branches, but remove weak or dead wood. Water during dry spells, as plants wilt in dry weather.
Forsythia, Showy Forsythia, Forsythia x intermedia 'Karl Sax'
Like Beatrix Ferrand, the abundant flowers are a rich yellow accented with orange at the throat. Neat, graceful, and dense growing, its leaves turn red or purple in fall.

Attributes - Forsythia 'Karl Sax'

Plant Type: Shrub

Bloom Season: Late Winter through Early Spring

Flower Color: Yellow

Foliage: Deciduous

Height: 7 ft. to 8 ft.

Width: 8 ft.

Sunlight: Full Sun

Climate: Zones 5, 6, 7, 8, 9

Notes: Thrives in Acid Soil, Alkaline Soil, Dry Climates. Cut Flowers, Drought Tolerant, Showy Flowers. Susceptible to Caterpillars.

Related Plants

Forsythia intermedia, Forsythia intermedia 'Beatrice Farrand', Forsythia x intermedia 'Lynwood Gold', Forsythia suspensa, Forsythia suspensa Sieboldii, Forsythia viridissima, Forsythia viridissima 'Bronxensis'
 
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