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Herbaceous Perennial

Scutellaria orientalis

yellow-flowered skullcap

A woody-based, rhizomatous perennial with rooting stems and deeply-toothed, dark green leaves. In summer it produces dense, upright sprays of bright yellow, hooded, tubular flowers up to 3cm long

Other common names
yellow helmet flower

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H4
Botanical details
Family
Lamiaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy
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

How to grow

Cultivation

Grow in light, well-drained, neutral to alkaline soil in full sun or light shade. In very cold areas apply a deep winter mulch

Propagation

Propagate by seed sown in autumn, or by division in autumn or spring, or by softwood cuttings in late spring or early summer

Suggested planting locations and garden types
  • Cottage and informal garden
  • Flower borders and beds
Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

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