Onopordum Acanthium 'Cotton Thistle' Seeds Scottish thistle


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Onopordum acanthium or Cotton Thistle,(Scottish Thistle) is a flowering plant in the family Asteraceae. It is native to Europe and Western Asia from the Iberian Peninsula east to Kazakhstan, and north to central Scandinavia, and widely naturalised elsewhere. It is a vigorous biennial plant with coarse, spiny leaves and conspicuous spiny-winged stems. It is a biennial plant, producing a large rosette of spiny leaves the first year. The plants typically germinate in the autumn after the first rains and exist as rosettes throughout the first year, forming a stout, fleshy taproot that may extend down 30 cm or more for a food reserve.

In the second year, the plant grows 0.2 m until 3 m tall and a width of 1.5 m. The leaves are 10–50 cm wide, alternate, spiny, and often covered with white woolly hairs with the lower surface more densely covered than the upper. The leaves are deeply lobed with long, stiff spines along the margins. Fine hairs give the plant a greyish appearance. The massive main stem may be 10 cm wide at the base and branched in the upper part. Each stem has a vertical row of broad, spiny wings (conspicuous ribbon-like leafy material), typically 2–3 cm wide, extending to the base of the flower head.

 

Pretty Wild Seeds are registered with the Department for Environment, Food & Rural Affairs (DEFRA) under number 7529, so you can have confidence in both our products and advice. Although our products are listed in weights and acres, we can supply in additional quantities upon enquiry so if you need a larger supply, please don't hesitate to give us a call.

  • 5g for £2.45
  • 10g for £3.99
  • 50g for £9.99
  • 100g for £18.99
  • 250g for £26.99
  • 500g for £49.99

    • Quantities from: £2.35




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    We happily accept returns within 14 days from date of delivery. All returns must be received in the same condition and packaging we sent them. Postage charges will not be refunded on unwanted products.

    You are solely responsible for ensuring the goods are returned to us. We will not be liable for returns that are lost in the post or lost for any other reason. If a product arrives damaged we will advise the customer how to return the item with all return costs covered by us.  Replacements & refunds will be dispatched / issued on receipt of the returned items only.

    Germination; Best sown directly in spring or autumn. Surface sow onto well prepared soil. Cover with a fine layer of soil. Should germinate rapidly, if not allow cold winter weather to aid germination which should occur as the weather warms the following spring. Ideal spacing 100cm.

    Growing; Prefers a well-drained soil in full or partial sun. Happy in any ordinary soil, even if nutritionally poor.

    Cultivation; Cotton Thistle can spread rapidly. Each plant produces up to 40,000 seeds. Will self sow freely, to prevent this deadhead before seed is set or hoe out seedlings when young.