veronicastrum virginicum 'lavender towers' (culver's root)
$15.95
- tall, upright, clumping habit
- tubular, pale purple flowers form dense spikes atop the stems
- lance-shaped dark green leaves with a reddish tinge
- bloom time: midsummer to early autumn
- zone 4
- height 150cm
- spread 100cm
- colour purple (pale)
- grow in a fertile, moist soil, in full sun or partial shade
- not tolerant of drought conditions
- prune veronicastrum back in early summer to increase branching and bloom count
- this may help prevent the plant from flopping over late in the season
- full sun, partial sun/shade
- attracts butterflies
- fast growing