- Eventual Height: 3m
- Eventual Spread: 1m
Onopordum acanthium
Scottish thistle
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size: 2 litre pot
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available to order from spring 2012
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- Position: full sun
- Soil: fertile, well-drained, neutral to slightly alkaline soil
- Rate of growth: average
- Flowering period: July to August
- Hardiness: hardy biennial
Large pale-purple or occasionally white, thistle-like flowerheads appear in July and August above spiny-toothed, grey-green leaves. This biennial, native Scotch thistle makes an architectural statement in a sunny gravel or wildlife garden. The ripening seedheads act as a magnet for goldfinches and the plant self-seeds freely.
- Garden care: Use beer traps or environmentally- friendly slug pellets to protect the tender young foliage against damage from slugs or snails.
- Eventual Height: 3m
- Eventual Spread: 1m
Onopordum acanthium - Scottish thistle
Architectural plant for a sunny border
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