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Anemone tomentosa (photo courtesy of Denver Botanic Gardens)
Anemone tomentosa (photo courtesy of Denver Botanic Gardens)

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Zone
Zones 2B, 3-9, 14-21, 32-43
Partial Sun
Partial
Regular Water
Moderate
Toxicity
All parts are poisonous if ingested.

Anemone tomentosa

Ranunculaceae
Perennials, Flowers

ANEMONE

Anemone includes a rich and varied group of plants ranging in size from alpine rock garden miniatures to tall Japanese anemones grown in borders; bloom extends from very early spring to fall, depending on species.

Most of the anemones described here have fibrous roots or creeping rhizomes or rootstocks, but A. blanda, A. coronaria, and A. x fulgens are grown from tubers requiring special attention. Set out A. blanda in fall; where winter temperatures drop below –10°F/–23°C, apply a thick mulch after first hard frost. Plant A. coronaria and A. x fulgens in fall where they are hardy in the ground; in cooler regions, plant in early spring. In warmer climates, some gardeners soak tubers for a few hours before planting.

Plant tubers scarred side up (look for depressed scar left by base of last year’s stem), setting them 1–2 in. deep and 8–12 in. apart in rich, light, well-drained loam. Or start in flats of damp sand; set out in garden when stems are a few inches tall. Keep soil moist during growth and bloom. Protect from birds until leaves toughen. In high-rainfall areas, excess moisture induces rot.

Tuberous types are best treated as annuals in rainy-summer or warm-winter climates, where they tend to be short lived. Tuberous anemones make good container plants.

Anemone tomentosa

Vigorous, fibrous-rooted Tibetan native often sold as A. vitifolia ‘Robustissima’. Foliage resembles grape leaves, grows in a spreading clump that gives rise to branching, 3 1/2-ft.-tall stems bearing single pink flowers in late summer, early fall. Allow 3 ft. between plants. Partial shade.

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