Cephalaria Species, Giant Pincushion Flower, Giant Scabious, Yellow Scabious

Cephalariagigantea

Family
Caprifoliaceae (cap-ree-foh-lee-AY-see-ee)
Genus
Cephalaria (sef-uh-LARE-ee-uh)
Species
gigantea (jy-GAN-tee-uh)
Synonym
Scabiosa gigantea
Sun Exposure
Sun to Partial Shade
Foliage
Grown for foliage
Herbaceous
Succulent
Height
6-8 ft. (1.8-2.4 m)
Spacing
24-36 in. (60-90 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Bloom Color
Bright Yellow
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
Where to Grow
Grow outdoors year-round in hardiness zone
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
From seed; stratify if sowing indoors
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Concord, California

Richmond, California

Bow, New Hampshire

Yachats, Oregon

Wilkes Barre, Pennsylvania

Kalama, Washington

Twin Lakes, Wisconsin(2 reports)

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Gardener's Notes:

4
positives
1
neutral
0
negative
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C
ROSLINDALE, MA | January 2016 | neutral

The big bold pinnate foliage is as valuable when young as the creamy, pale yellow flowers. The leaves form a low dense mound, while the t...Read More

J
| July 2013 | positive

This is great perennial for the back of your border. It's getting very tall, 2.5 meter, showstopper for people passing by and the bees lo...Read More

E
calgary, AB (Zone 3b) | August 2010 | positive

Grows as border in the Reader Rock garden in Calgary zone 3
Plants are 8 feet tall in mid August and a half dozen or so of them in...Read More

S
(Zone 6a) | June 2009 | positive

Yellow Cephalaria is a strong grower thriving in poor soils. Too rich a soil and/or too much water will cause rotting of the flower stems...Read More

D
Brandon, MB (Zone 2b) | July 2005 | positive

An amazing plant!!! It has survived our harsh -45 degree winter, only to come back in the spring, reaching up to 9 feet! The blooms on my...Read More

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