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Herbaceous Perennial
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1 yearUltimate spread
0.1–0.5 metresGrowing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained, Well–drainedpH
Alkaline, Neutral, AcidColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Red | Green | ||
---|---|---|---|---|
Summer | Red | Green | ||
Autumn | Green | |||
Winter |
Position
- Full sun
Aspect
South–facing or West–facing or East–facing
Exposure
ExposedDrought resistance
Yes Hardiness
H5Botanical details
- Family
- Ranunculaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Columnar upright
- Potentially harmful
- Humans/Pets: Harmful if eaten. Wear gloves and other protective equipment when handling. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
- Genus
Delphinium can be annuals, biennials or perennials, with palmately lobed basal leaves and showy bowl-shaped flowers in spikes, racemes or panicles
- Name status
Accepted
How to grow
Cultivation
Grow in fertile, well-drained, gritty soil in full sun. Add grit to encourage self-seeding. See staking: perennials and delphinium cultivation for further advice
Propagation
Propagate from seed or allow to self-seed
Suggested planting locations and garden types
- Gravel garden
- Patio and container plants
- Rock garden
- Wildlife gardens
- Low Maintenance
- Flower borders and beds
Pruning
Cut back to ground level in autumn
Pests
May be susceptible to aphids, slugs, snails, leaf miners and caterpillars
Diseases
May be susceptible to Powdery mildews, grey moulds
Get involved
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