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A huge yellow-flowered salvia! Forsythia sage is a very large and robust salvia that can get as much as 10 ft (3.1 m) tall with a spread of 4-5 ft (1.2-1.5 m). In frost prone areas it usually gets only 3-5 ft (0.9-1.5 m) tall. The square stems are very distinctive, with well developed ridges on the corners, and they can be more than 1 in (2.5 cm) across. Forsythia sage grows in a spreading clump. It has large, bright green, heart shaped, rather rough leaves. The leaves and the spreading branches are produced in pairs, originating on opposite sides of the stem. The flowers are canary yellow and borne in 12 in (30.5 cm) spikes from early fall until first frost. The cultivar, 'Dunham' may be more cold hardy than the species, having survived -9F in North Carolina.
Location
Culture
Forsythia sage is one of very few salvias with yellow flowers. It produces its showy blooms in late fall and early winter, when many flowering shrubs and perennials are beginning to go dormant. Give it plenty of room in a shaded or semi-shaded perennial or mixed shrub border. Or let it stand alone beneath tall oaks or pines. You may need to stake forsythia sage to keep it from falling over. The butter-yellow flowers, arranged in whorls, do well as cut flowers.
Features Steve Christman 4/24/00; updated 11/11/02, 12/4/03, 8/1/04
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