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Herbaceous Perennial

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

Other common names
downy skullcap
Synonyms
Scutellaria canescens

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Sand
Loam
Clay
Moisture
Moist but well–drained, Well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
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
H7
Botanical 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

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