Verbena hastata 'Alba'
blue vervain 'Alba'
Upright, clump-forming perennial to 1.2m, with branching stems and toothed leaves. From early summer to early autumn it produces candelabra-like flower spikes bearing numerous tiny, saucer-shaped white flowers; these are good for cutting
Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 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
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H5Botanical details
- Family
- Verbenaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Columnar upright
- Genus
Verbena can be annuals, perennials or sub-shrubs, with toothed or pinnately lobed leaves and small, usually 5-petalled, salver-shaped flowers, typically held in spikes or panicles, in summer or autumn
- Name status
Unresolved
How to grow
Cultivation
Grow in moist but well-drained, moderately fertile soil in full sun. Cut back to ground level in early spring
Propagation
Propagate by division
Suggested planting locations and garden types
- Architectural
- Cottage and informal garden
- Prairie planting
- Wildlife gardens
- Cut flowers
- Flower borders and beds
Pruning
No pruning required
Pests
Generally pest-free
Diseases
May be susceptible to powdery mildews
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