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Giant Thistle Wikimedia Commons
Asteraceae

Giant Thistle

Onopordum acanthium

Defiance and nobility.

Family
Asteraceae
Genus
Onopordum
Native to
Europe, Western Asia
Bloom season
Summer
Type
Biennial
Height
100-300 cm
Sunlight
Full sun
Soil
Well-draining, average to poor
Water
Low
Hardiness
5-9
Lifespan
Biennial

Did you know

  • It is commonly known as the Scotch thistle and is often associated with Scotland, though it may not be the true heraldic thistle.
  • The entire plant is covered in silvery-white woolly hairs and fearsome spines for protection.
  • The broad spiny wings along the stems make the plant look armored from top to bottom.
  • According to Scottish legend, a Norse invader stepped on a thistle barefoot, alerting the Scots to a surprise attack.
  • Goldfinches are especially fond of the seeds and can often be seen feeding on the mature flower heads.

Color meanings

0

Defiance

1

Austerity

2

Independence

3

Nobility

Uses

  • Ornamental specimen
  • Architectural planting
  • Wildlife habitat
  • Dried arrangements