A vigorous, rapidly spreading herbaceous perennial to a height of up to 70cm, with either rounded or narrow, oblong green leaves. Sometimes they are hairy and sometimes smooth. The blue flowers have a paler lower lip white bases and centres, and are carried on green stems tinged with purple. They are borne from June until September
Growing Information
Height
0.5-1 Metres
Spread
0.5-1 Metres
Care Guide
Cultivation
Ideal for bog gardens, pond edges, streamsides and soil that stays damp all year. Plant with up to 2cm of water covering the crowns, in full sun or partial shade
Pruning
No pruning required other than cutting back the old growth at the end of the year
Propagation
Propagate by division in autumn or spring, or by seed in autumn
Not Currently Available
This plant is not currently stocked at any garden centres on our platform.