Onopordum acanthium

This grand native thistle can stand upwards of 8ft once fully developed, topped with a candelabra of mauve flowers that bees will adore. More
30 seeds 156021 £5.50
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5 jumbo seedlings 200906-SP05 £7.95 Delivery mid September
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When in stock, please allow 2 weeks for despatch. Please click here for more information regarding delivery times due to the Covid-19 situation.
10 jumbo seedlings 200906-SP10 £14.50 Delivery mid September
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When in stock, please allow 2 weeks for despatch. Please click here for more information regarding delivery times due to the Covid-19 situation.
More Details

A superb, statuesque feature plant. This grand native thistle can stand upwards of 8ft once fully developed. The biennial will form a dense rosette in its maiden year, felted with white down and spiny foliage. In the second year, the towering flower stem erupts from a base of large, silver, acanthus-like leaves, topped with a candelabra of mauve flowers that bees will adore.

Genus Onopordum
Group/Species acanthium
Type Biennial or Short-lived Perennial
Common Name Scotch Cotton Thistle
Border Position Border (Back)
Soil Type Alkaline, Neutral
Site Full Sun
Moisture Well-drained
Height 3.0m (10ft)
Spacing 1.2m (4ft)
Sowing, Seeds, Planting Grow in fertile, well-drained neutral to slightly alkaline soil in full sun; may self-seed freely and is ideal for a gravel garden or wild areas. Also great for attracting birds.
Care Tips Edit self seeded seedlings as the size potential can sometimes mean they grow in inconvenient positions. Young plants can be transplanted easily with harm.
Flowering June - September
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Sow Under Cover/Plant Indoors
  • Direct Sow/Plant Outdoors
  • Flowers/Harvest
Advice

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Delivery

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Seeds Delivery - When in stock, please allow 1-2 working days for despatch.

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