Price range: £4.00 through £9.50
A rosette-forming, tap-rooted, evergreen perennial with sword-shaped, spiny-margined, blue-grey leaves. From midsummer to early autumn, strong, lightly branched stems bear cylindrical umbels of whitish green to pale blue flowers, with shorter, ovate, grey-green bracts.
Grow in moist, well drained, fertile soil in full sun. It will reach a height of 1.2m and a spread of 60cm.
A rosette-forming, tap-rooted, evergreen perennial with sword-shaped, spiny-margined, blue-grey leaves. From midsummer to early autumn, strong, lightly branched stems bear cylindrical umbels of whitish green to pale blue flowers, with shorter, ovate, grey-green bracts.
Grow in moist, well drained, fertile soil in full sun. It will reach a height of 1.2m and a spread of 60cm.
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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
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.
Out of Stock
Sea Holly. A clump-forming perennial with oblong to circular, toothed, silvery-veined green basal leaves and spiny, blue-tinted stem leaves. In July and August masses of cone shaped, spiky, electric-blue flowerheads are borne on stiffly, erect, branched blue stems with blue bracts.
Needs well-draining, poor to moderately fertile soil in full sun. It will reach a height of 80cm and a spread of 45cm.
Supplied size
1 x Plant in 2 Litre 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
