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Herbaceous Perennial

Amsonia ciliata

fringed bluestar

A clump-forming perennial with pretty, pale-blue starry flowers arranged in terminal clusters on erect stems with narrow green leaves. Flowers in mid-spring (May/June). Foliage turns bright golden yellow in autumn.

Synonyms
Amsonia angustifolia

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Green
Summer Green
Autumn Gold Yellow
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or West–facing or South–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Apocynaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus

Amsonia are clump-forming perennials with milky sap, lance-shaped leaves and terminal panicles of small, starry blue flowers in spring and summer

Name status

Correct

Plant range
Central and SE USA

How to grow

Cultivation

Grow in any moist but well drained soil in full sun or partial shade. Will tolerate some drought

Propagation

Propagate by seed. Sow seed in containers in a cold frame in autumn or spring. Divide in spring. Root softwood or basal cuttings in early summer.

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

Cut back in winter before spring growth emerges

Pests

Generally pest-free

Diseases

Generally disease-free

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