Scutellaria incana
hoary skullcap
An upright, clump-forming perennial to a height of 120cm, bearing rounded green leaves, with scalloped edges and white, hairy undersides. The deep blue tubular flowers are also hairy and are carried on branching stems from June to September
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green Grey Silver | |||
---|---|---|---|---|
Summer | Blue | Green Grey Silver | ||
Autumn | Blue | Green Grey Silver | ||
Winter |
Position
- Full sun
- Partial shade
Aspect
West–facing or South–facing or North–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Lamiaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Clump forming, Columnar upright
- Genus
Scutellaria are annuals, herbaceous perennials or sub-shrubs with opposite pairs of leaves and blue, violet, yellow or white, two-lipped, tubular flowers borne in the leaf axils or in terminal spikes
- Name status
Correct
- Plant range
- North America
How to grow
Cultivation
Thrives in neutral to acidic soil in full sun if there is moisture in the soil to part shade in drier conditions
Propagation
Propagate by division in autumn or spring, or by seed in autumn
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Prairie planting
- Wildlife gardens
- Wildflower meadow
- Low Maintenance
- Flower borders and beds
Pruning
No pruning required other than cutting back the old growth at the end of the year
Pests
May be susceptible to aphids
Diseases
Generally disease-free
Get involved
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