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Herbaceous Perennial

Ratibida pinnata

pinnate prairie coneflower

An upright, stout-stemmed, branching perennial to 1.2m tall, with rough-textured, deeply divided, pinnate leaves. From summer to autumn it bears long-stemmed, daisy-like flowerheads to 12cm across, with bright yellow, drooping ray florets and around a prominent red-brown cone

Synonyms
Rudbeckia pinnata
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Size
Ultimate height
1–1.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
°Â±ð±ô±ô–d°ù²¹¾±²Ô±ð»å
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Green
Autumn Yellow Green
Winter
Position
  • Full sun
Aspect

South–facing or °Â±ð²õ³Ù–f²¹³¦¾±²Ô²µ

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H6
Botanical details
Family
Asteraceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Genus

Ratibida are biennials or perennials with erect stems developing from woody-based crowns. The flowers have colourful, outer ray florets and a tall, central boss of green, then brown, disc florets

Name status

Correct

Plant range
E N America

How to grow

Cultivation

Grow in well-drained, neutral to slightly alkaline, moderately fertile soil in full sun. Drought resistant once established. May require support

Propagation

Propagate by seed

Suggested planting locations and garden types
  • Cottage and informal garden
  • Gravel garden
  • Prairie planting
  • Cut flowers
  • Flower borders and beds
Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

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