£4.50
A stiff, upright, open, clump-forming perennial which has rough branching stems which bear lance-shaped, wrinkled, mid-green leaves which have toothed margins. From early summer to autumn, small panicles of violet-blue flowers are borne.
Grow in moist but well-drained, moderately fertile soil in full sun. It will reach a height of 1.2m and a spread of 40cm.
Supplied size
1 x Plant in 9cm Container
Out of stock
A stiff, upright, open, clump-forming perennial which has rough branching stems which bear lance-shaped, wrinkled, mid-green leaves which have toothed margins. From early summer to autumn, small panicles of violet-blue flowers are borne.
Grow in moist but well-drained, moderately fertile soil in full sun. It will reach a height of 1.2m and a spread of 40cm.
Supplied size
1 x Plant in 9cm Container
Out of Stock
A stiff, upright, open, clump-forming perennial which has rough branching stems which bear lance-shaped, pointed, wrinkled, mid- to dark green leaves which have toothed margins. From early summer to autumn, small panicles of white flowers are borne.
Grow in moist but well-drained, moderately fertile soil in full sun. It will reach a height of 1.5m and a spread of 60cm.
Supplied size
1 x Plant in 9cm Container
A stiff, upright, open, clump-forming perennial which has rough branching stems which bear oblong-lance-shaped, wrinkled, dark green leaves which have toothed margins. From early summer to early autumn, scented, small purplish-blue flowers are borne.
Grow in moist but well-drained, moderately fertile soil in full sun. It will reach a height of up to 2m and a spread of 45cm.
A stiff, upright, open, perennial which has erect, wiry, branching stems bearing few lance-shaped, dark green leaves, hairy beneath. From midsummer to early autumn, loose, branched clusters of small, salverform, purple flowers are borne.
Grow in moist but well-drained, moderately fertile soil in full sun. It will reach a height of 90cm and a spread of 60cm.
Supplied size
1 x Plant in 9cm Container
Out of Stock
A stiff, upright, open, clump-forming perennial which has rough branching stems which bear lance-shaped, wrinkled, mid-green leaves which have toothed margins. From early summer to autumn, small panicles of pink flowers are borne.
Grow in moist but well-drained, moderately fertile soil in full sun. It will reach a height of 1.1m and a spread of 60cm.
Supplied size
1 x Plant in 9cm Container