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Madwort

Alyssumspinosum

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Family
Brassicaceae (brass-ih-KAY-see-ee)
Info
Genus
Alyssum (al-ISS-um)
Info
Species
spinosum (spy-NO-sum)
Info
Synonym
Ptilotrichum spinosum
Sun Exposure
Full Sun
Foliage
Evergreen
Provides Winter Interest
Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
Spacing
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
Hardiness
USDA Zone 8b: to -9.4 °C (15 °F)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Magenta (pink-purple)
White/Near White
Bloom Time
Late Spring/Early Summer
Other Details
Category
Shrubs
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Bronze
Where to Grow

Unknown - Tell us

Bloom Characteristics
Flowers are fragrant
Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

Soil pH requirements
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
8.6 to 9.0 (strongly alkaline)
Patent Information

Unknown - Tell us

Propagation Methods
From woody stem cuttings
From seed; direct sow after last frost
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional
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