£4.50
A striking, architectural perennial with rosettes of spiky, silvery-green leaves. From midsummer to early autumn, it produces tall, branched stems topped with clusters of small, thistle-like, ivory-white flowers.
Grow in dry, well drained, poor to moderately fertile soil in full sun with protection from winter wet. It will reach a height of up to 1.5m and a spread of 60cm.
Supplied size
1 x Plant in 9cm Container
Out of stock
A striking, architectural perennial with rosettes of spiky, silvery-green leaves. From midsummer to early autumn, it produces tall, branched stems topped with clusters of small, thistle-like, ivory-white flowers.
Grow in dry, well drained, poor to moderately fertile soil in full sun with protection from winter wet. It will reach a height of up to 1.5m and a spread of 60cm.
Supplied size
1 x Plant in 9cm Container
Out of Stock
Mediterranean Sea Holly. A clump-forming perennial with rounded, deeply lobed, spiny, silver-veined, dark green leaves. In July and August, branching, deep blue stems bear umbels of blue or grey-green, cone-like flowers with prominent, lance-shaped, blue-flushed, silver bracts.
Needs well-draining, poor to moderately fertile soil in full sun. It will reach a height of 45cm and a spread of 30cm.
Out of Stock
Alpine Sea holly. A clump-forming perennial with irregularly toothed, egg to heart shaped basal leaves, and stem leaves with radiating lobes. In July and August several blue, egg shaped to cylindrical flowerheads to 4cm tall are borne on stout stems which are blue flushed above and often carry strikingly blue-white veined stem leaves. Each flowerhead has an extravagant ruff up to 13cm wide of more than 25 bracts, with spiky lobes often divided again to give a lacy effect.
Needs well-draining, poor to moderately fertile soil in full sun. It will reach a height of 50-80cm and a spread of 60cm.
A rosette-forming, evergreen perennial with broadly sword-shaped, prominently and sharply toothed, glossy, deep green basal leaves. In late summer, lightly branched stems bear cylindrical umbels of greenish white flowers, with entire to spiny-toothed bracts.
Grow in moist, well drained, fertile soil in full sun. It will reach a height of 1-1.5m and a spread of 60cm.
Supplied size
1 x Plant in 9cm Container
Out of Stock
A clump-forming biennial or short-lived, evergreen perennial which has rosettes of heart-shaped basal leaves and ovate, scalloped or toothed, grey-green stem leaves. In summer, upright, branched stems bear cone-like, pale blue flowerheads with narrow, conspicuous, spiny, silvery-white bracts.
Grow in dry, well drained, poor to moderately fertile soil in full sun with protection from winter wet. It will reach a height of 90cm and a spread of 30cm.
Supplied size
1 x Plant in 9cm Container