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Wood Anemone, Rock Windflower 'Wild Swan'

Anemone rupicola

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Anemone (uh-NEM-oh-nee) (Info)
Species: rupicola (roo-pee-koh-luh) (Info)
Cultivar: Wild Swan
Additional cultivar information:(PP23132, aka MACANE001)
Hybridized by MacGregor
Registered or introduced: 2011



Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Flowers are good for cutting

This plant is attractive to bees, butterflies and/or birds

Water Requirements:

Requires consistently moist soil; do not let dry out between waterings

Where to Grow:

Grow outdoors year-round

Suitable for growing in containers


18-24 in. (45-60 cm)


18-24 in. (45-60 cm)


USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:

Sun to Partial Shade

Light Shade


Unknown - Tell us

Bloom Color:


White/Near White

Bloom Time:

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Mid Fall





Other details:

Unknown - Tell us

Soil pH requirements:

Unknown - Tell us

Patent Information:


Propagation Methods:

Unknown - Tell us

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed


This plant has been said to grow in the following regions:

Bothell, Washington

Lake Stevens, Washington

Gardeners' Notes:


On Oct 9, 2015, 00264167 from herne bay,
United Kingdom wrote:

This plant is prone to sudden death syndrome.

Mine was doing fine in a pot over-winter and was growing ok in the spring, then in the course of 3 to 4 weeks the leaf tips started to brown which spread down the stems, defoliating and killing the plant.

From what i read on the forums this has happened to a lot of people as wild swan is very sensitive to a phytophtora fungus which causes root rot and has spread through the population by nurseries infected with it.

My other anemone (tomentosa) is unaffected so i cant recommend wild swan as its an inherent flaw in the plant.


On Dec 8, 2014, coriaceous from ROSLINDALE, MA wrote:

Single white 2-3" flowers banded with blue-violet on the reverse. The flowers close partially to become gracefully nodding bells in the evening and early morning. As with many white flowers, its tepals brown as it fades and demand deadheading for best appearance. Said to bloom repeatedly from May/June till frost. Good vase life.

This won the 2011 Chelsea Flower Show New Plant of the Year award.

Unlike the Japanese anemones, this is a clump-former and does not run. The flowers are sterile and will not self-sow. For best performance, it needs rich well-drained soil and consistent moisture, and prefers partial or dappled shade. Intolerant of drought.

According to the patent application, the seed parent was A. rupicola and the pollen parent could ha... read more