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PlantFiles: Madwort
Alyssum spinosum 'Roseum'

Family: Brassicaceae (brass-ih-KAY-see-ee) (Info)
Genus: Alyssum (al-ISS-um) (Info)
Species: spinosum (spy-NO-sum) (Info)
Cultivar: Roseum

Synonym:Alyssum spinosum var. roseum
Synonym:Ptilotrichum spinosum

Alpines and Rock Gardens

6-12 in. (15-30 cm)
12-18 in. (30-45 cm)

9-12 in. (22-30 cm)
12-15 in. (30-38 cm)

USDA Zone 3a: to -39.9 C (-40 F)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:

Bloom Time:
Late Spring/Early Summer


Other details:
Unknown - Tell us

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive celtic_dolphin On Aug 19, 2005, celtic_dolphin from Boone, NC (Zone 4b) wrote:

Was very easy to start from seed, and was quick to bloom. It has continued to bloom for over a month, in beautiful shades of pink. It looks great in a hanging basket, and hasn't shown any signs of stress from heat or drying out. I plan to grow this again and again!


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

Parker, Colorado
Warrensville, North Carolina

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