Photo by Melody

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

Family: Caprifoliaceae (cap-ree-foh-lee-AY-see-ee) (Info) (cap-ree-foh-lee-AY-see-ee) (Info)
Genus: Centranthus (sen-TRAN-thus) (Info)
Species: ruber (ROO-ber) (Info)
Cultivar: Alba
Additional cultivar information: (aka Alba Pura, Albus Purus)

5 vendors have this plant for sale.

11 members have or want this plant for trade.


18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

15-18 in. (38-45 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)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Unknown - Tell us

Bloom Color:
Pale Pink
White/Near White

Bloom Time:
Late Spring/Early Summer
Mid Summer

Unknown - Tell us

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:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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By Terry
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By Happenstance
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By ladyannne
Thumbnail #3 of Centranthus ruber by ladyannne

By jlanier2001
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By Calif_Sue
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By growin
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By growin
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There are a total of 8 photos.
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1 positive
2 neutrals
No negatives

Gardeners' Notes:

Neutral annlof On Jan 17, 2010, annlof from Camarillo, CA wrote:

Very useful for xeriscaping in SoCal. Plants respond well to shearing and quickly refill and rebloom. In shade or rich, moist soil, the plants will flop and need staking. This plant never seems to be without flowers, and the warm white color blends with almost anything. However, in light sandy soil, this plant is a terrible reseeder. Deadheading is difficult because some of the flowers on each stem are going to seed while others are still blooming. Not a low-maintenance plant for tidy gardens.

Positive DeenDixie On Jun 5, 2008, DeenDixie from Fayetteville, AR wrote:

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 personality, but rather a lovely plant to have as a pleasant filler. I deadhead it and get another period of bloom, each period being approx 5 weeks. Each midsummer I have found one or two seedlings, which I welcome...contrary to what some have written, it certainly is not an agressive self-seeder, at least not in my northwest Arkansas garden. I recommend C. Alba and hope to have it in my garden for the duration. Kind rgds. :-)

Neutral Terry On Oct 10, 2003, Terry from Murfreesboro, TN (Zone 7a) wrote:

Supposedly a bit shorter (and perhaps stouter???) than the red form, this cultivar is sold as white, but some sources indicate it can be more off-white to pale pink.


This plant has been said to grow 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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