Japanese meadowsweet,Japanese spiraea,Japanese Spirea,Bumald Spiraea,Goldmound Spiraea
Shrubs, 10–15 dm, not rhizomatous. Stems erect, branched. Leaves: petiole 2–7 mm; blade ovate to lanceolate, 5–10 × 2–4 cm, membranous, base cuneate, margins sharply doubly serrate, number of primary and secondary serrations 3–5 times number of secondary veins (excluding inter-secondary veins), venation pinnate simple craspedodromous, secondary veins not prominent, apex acute, abaxial surface pubescent, adaxial glabrous. Inflorescences mostly terminal, corymbiform, 5–8 × 5–15 cm; branches finely villous. Pedicels 4–6 mm, finely villous. Flowers 4–8 mm diam.; hypanthia campanulate, 1–1.2 mm, abaxial surface strigose, adaxial pubescent; sepals triangular, 1–1.3 mm; petals light to dark pink, obovate, 1–1.5 mm; staminodes 0; stamens 25–30, 2 times petal length. Follicles oblanceoloid, 2–3 mm, glabrous, adaxial suture glabrous or ciliate. 2n = 36.
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Blooms in June and July with mild fragrance. Inflorescence is terminal flat-topped corymb or borne in uppermost leaf axils with flower clusters to 8 inches in diameter. Flowers are deep pink or rose-reddish, 1/4 to 1/3 of an inch.
Fruit is a dry, brown follicle.
How to Grow
Full sun (6 or more hours of direct sunlight a day), Partial Shade (Direct sunlight only part of the day, 2-6 hours)