Centranthus, Jupiter's Beard, Keys to Heaven, Red Valerian 'Alba'

Centranthusruber

Family
Caprifoliaceae (cap-ree-foh-lee-AY-see-ee)
Genus
Centranthus (sen-TRAN-thus)
Species
ruber (ROO-ber)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing
15-18 in. (38-45 cm)
Hardiness
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)
Bloom Color
Pale Pink
White/Near White
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Perennials
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information
Propagation Methods
Seed Collecting
Regional

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

Fayetteville, Arkansas

Camarillo, California

Clayton, California

Davis, California

Fairfield, California

Merced, California

Perris, California

San Jose, California

Cordele, Georgia

Otis, Massachusetts

Salem, Massachusetts

Ferrysburg, Michigan

Naples, New York

Elizabeth City, North Carolina

Mill City, Oregon

Amarillo, Texas

Bulverde, Texas

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Gardener's Notes:

2
positives
2
neutrals
0
negative
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B
San Diego, CA | June 2017 | positive

Would love to get cuttings, roots, seeds, bubs of Cantranthus ruber 'alba' from anyone in San Diego CA

A
A
Camarillo, CA | January 2010 | neutral

Very useful for xeriscaping in SoCal. Plants respond well to shearing and quickly refill and rebloom. In shade or rich, moist soil, the p...Read More

D
Fayetteville, AR | June 2008 | positive

I've grown C. Alba for 3 years now, in the dry, hot strip between my driveway and house. It is not what I call a dominant plant personali...Read More

T
T
Murfreesboro, TN (Zone 7a) | October 2003 | neutral

Supposedly a bit shorter (and perhaps stouter???) than the red form, this cultivar is sold as white, but some sources indicate it can be ...Read More

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