Veronicastrum virginicum 'Spring Dew'![RHS Plants for pollinators](/assets/styles/images/icons/RHS_Bee_YELLOW-REGISTERED.png)
![RHS Plants for pollinators](/assets/styles/images/icons/RHS_Bee_YELLOW-REGISTERED.png)
Culver's root 'Spring Dew'
An upright perennial to around 1.2m tall, with whorls of lance-shaped, deep green, toothed leaves and long slender tapers of small white flowers in summer and early autumn
Size
Ultimate height
1–1.5 metresTime to ultimate height
1–2 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | White | Green | ||
Autumn | White | Green | ||
Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H7Botanical details
- Family
- Plantaginaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming, Columnar upright
- Genus
Veronicastrum are tall herbaceous perennials with erect stems bearing narrow leaves in whorls, and long terminal racemes of small flowers in summer
- Name status
Accepted
How to grow
Cultivation
Grow in moderately fertile, humus-rich, moist soil in full sun or partial shade
Propagation
Propagate by division in spring
Suggested planting locations and garden types
- Cottage and informal garden
- City and courtyard gardens
- Gravel garden
- Prairie planting
- Wildlife gardens
- Flower borders and beds
Pruning
Deadhead flower spikes as they fade. Cut back to ground level in winter
Pests
May be susceptible to aphids
Diseases
May be susceptible to downy mildews, powdery mildews and a leaf spot
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.