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Plant Information

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Plant Name Onopordum
  Common Name: Scotch Thistle, Cotton Thistle, Cottonthistle, Onopordum
  Family:   Asteraceae   Genus:   Onopordum
  Species:     Cultivar:  
 
 
Plant Description

There are about 40 species in this genus of biennial thistles. Large gray leaves with spiny fingers grow on plants that can be 6'-8' feet tall. The thistle flowers are usually purple or white. While seemingly weed-like, this plant can make a striking plant in a border garden.

Type of Plant
Perennial Flower
Zones
Varies By Species
Height
Very High (over 5 feet)
Spread
Over 36"
Bloom Time
Summer
Bloom Color
Purple

Plant Requirements

Exposure
Full Sun
Soil Moisture
Average

Plant Characteristics and Attributes

None Entered  

Plant Propagation

Seeds  

Plant Notes

Propagation and Division
SEEDS: Some will self sow. DIVISION: Move seedlings around. NOTE: Biennial (short lived)


Pruning and Maintenance
MAINTENANCE: Prefers full sun and average well drained soil but can tolerate poor soil. Avoid wet winter. PRUNING: Deadhead after flowering. Clean up in fall.



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