Cirsium Species, Black Thistle, Le Conte's Thistle

Cirsiumlecontei

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Cirsium (SIR-see-um)
Species
lecontei (le-KON-tee-eye)
Synonym
Carduus lecontei
Cirsium virginianum
Cnicus lecontei
Sun Exposure
Full Sun
Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Hardiness
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)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Pale Pink
Pink
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Perennials
Water Requirements
Very high moisture needs; suitable for bogs and water gardens
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
4.5 or below (very acidic)
4.6 to 5.0 (highly acidic)
Patent Information
Propagation Methods
Seed Collecting
Regional

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Gardener's Notes:

0
positive
1
neutral
0
negative
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Sebring, FL (Zone 9b) | March 2005 | neutral

A relatively small and delicate thistle, restricted to wetland pine savannas and seepage slopes in the outer Coastal Plain from North Car...Read More

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