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PlantFiles: Silver Milk Thistle, Elephant Thistle, Ivory Thistle
Silybum eburneum

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Silybum (SIGH-lee-bum) (Info)
Species: eburneum (eb-URN-ee-um) (Info)

One vendor has this plant for sale.

Category:
Annuals
Vegetables
Herbs

Height:
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

Spacing:
Unknown - Tell us

Hardiness:
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)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
Purple

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Foliage:
Grown for foliage
Herbaceous
Silver/Gray
Smooth-Textured
Shiny/Glossy-Textured
Rubbery-Textured

Other details:
May be a noxious weed or invasive
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
Self-sows freely; deadhead if you do not want volunteer seedlings next season
This plant is monocarpic

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Direct sow as soon as the ground can be worked
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Unknown - Tell us

Click thumbnail
to view:

By scirpidiella
Thumbnail #1 of Silybum eburneum by scirpidiella

By scirpidiella
Thumbnail #2 of Silybum eburneum by scirpidiella

By scirpidiella
Thumbnail #3 of Silybum eburneum by scirpidiella

By scirpidiella
Thumbnail #4 of Silybum eburneum by scirpidiella

By scirpidiella
Thumbnail #5 of Silybum eburneum by scirpidiella

By scirpidiella
Thumbnail #6 of Silybum eburneum by scirpidiella

No details have been posted.



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