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, °Â±ð±ô±ô–d°ù²¹¾±²Ô±ð»åpH
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 ·¡²¹²õ³Ù–f²¹³¦¾±²Ô²µ
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
Verbena hastata
American blue vervain
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