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Herbaceous Perennial
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Pink | Green | ||
Autumn | Pink | Green | ||
Winter |
Position
- Full sun
- Partial shade
Aspect
West–facing or South–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Lamiaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Columnar upright
- Genus
Physostegia are erect rhizomatous herbaceous perennials with neatly arranged pairs of toothed leaves and terminal racemes of 2-lipped, tubular flowers in summer
- Name status
Accepted
How to grow
Cultivation
Grow in fertile, moist soil in full sun or partial shade
Propagation
Propagate by division in winter or early spring before new growth starts
Suggested planting locations and garden types
- Cottage and informal garden
- Flower borders and beds
- Cut flowers
Pruning
Cut back to the base in winter
Pests
Generally pest-free
Diseases
May be subject to rots if rhizomes damaged
Get involved
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