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PlantFiles: Pincushion Flower
Scabiosa caucasica 'Perfecta Blue'

Family: Caprifoliaceae (cap-ree-foh-lee-AY-see-ee) (Info) (cap-ree-foh-lee-AY-see-ee) (Info)
Genus: Scabiosa (skab-ee-OH-suh) (Info)
Species: caucasica (kaw-KAS-ee-kuh) (Info)
Cultivar: Perfecta Blue
Additional cultivar information: (aka Blue Perfection)

4 members have or want this plant for trade.


24-36 in. (60-90 cm)

15-18 in. (38-45 cm)

USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
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)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall


Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Drought-tolerant; suitable for xeriscaping
Flowers are good for cutting

Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing the rootball
From seed; sow indoors before last frost

Seed Collecting:
Unknown - Tell us

Click thumbnail
to view:

By wallaby1
Thumbnail #1 of Scabiosa caucasica by wallaby1

By wallaby1
Thumbnail #2 of Scabiosa caucasica by wallaby1


1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive wallaby1 On Dec 10, 2005, wallaby1 from Lincoln
United Kingdom (Zone 8a) wrote:

This seed was very expensive, out of 5 seed only 1 had an embryo which, luckily, germinated. It was sown in spring last year, planted in the ground in autumn, and has increased this year quite well. It has a very long flowering period, possibly because it rarely makes seed, I had several flowers and not one seed. The flowers are the most beautiful, frilly, violet-lavender/blue, and the bees loved them. At this time (10th Dec.) there are two flowers close to the ground just making, but slightly frost damaged, and a further larger one higher up which is not damaged. This is after 3 weeks+ of frost to -4C, frost most nights, and cold weather daytime temps. no more than 2 to 8C.

Once the plant becomes larger it is wise to divide the root ball, discarding the older woody parts, to retain vigour. It is also said to need soil on the alkaline side, mine is acidic. Too much winter wet will rot the roots, so a free draining soil is essential, as well as full sun. It will tolerate dryness. A native of the Caucasus Mountains, it has strong, stiff stems, and large flowers approx. 3" or more in diameter.


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

Lompoc, California
Denver, Colorado
Saint Paul, Minnesota
Lake Stevens, Washington

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