
SCIENTIFIC NAME: Astilbe hybrids
COMMON NAME: False spirea, astilbe
FAMILY: Saxifragaceae
TYPE: perennial
LEAVES: ovate-oblong, pinnately compound, doubly serrate, attractive dark green
FLOWER: dense branched panicles, 6" to 2' long; red, pink, or white
SEASON OF BLOOM: late spring and early summer for 4 weeks
GROWTH HABIT: 1' to 4'
SOIL: moist, high in organic matter essential
SUN: part shade in south essential
HARDINESS: zones 3 to 8
UTILIZATION: woodland areas, near water, borders; generally performs poorly in zone 8; plants frequently decline in heat of summer
DISEASES: powdery mildew, not serious
INSECTS AND RELATED PESTS: spider mites, Japanese beetles
PROPAGATION: seed, division in early spring or fall (growth about 1" tall)
MAINTENANCE: low
Species: A. chinensis var. pumila (Chinese astilbe) best for the south, more drought tolerant than most astilbe, spreads by stolons, can be used as a groundcover, 1' tall, rose colored flowers
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