Verbena hastata
American blue vervain
an upright, clump-forming perennial with narrow leaves up to 15cm long. Spikes of small, violet-blue to pinkish-purple flowers are carried on tall, branched, candelabra-like stems from early summer to early autumn
Synonyms
Verbena pinnatifida
Size
Ultimate height
1–1.5 metresTime to ultimate height
1–2 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Purple | Green | ||
| Autumn | Purple | Green | ||
| Winter |
Position
- Full sun
Aspect
West–facing or South–facing or East–facing
Exposure
Exposed or ShelteredDrought resistance
Yes Hardiness
H5Botanical details
- Family
- Verbenaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- 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
Correct
- Plant range
- N America
How to grow
Cultivation
Grow in a moist but well-drained moderately fertile soil in full sun
Propagation
Suggested planting locations and garden types
- City and courtyard gardens
- Coastal
- Cottage and informal garden
- Prairie planting
- Architectural
- Gravel garden
- Low Maintenance
- Banks and slopes
- Flower borders and beds
- Wall side borders
Pruning
Cut down after flowering
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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