Verbena hastata 'Blue Spires'
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, violet-blue flowers; these are good for cutting
Buy this plant
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 | Blue Purple | Green | ||
| Autumn | Blue Purple | 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
Accepted
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
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.