Schizachyrium scoparium Blue Heaven ('MinnblueA')
blue stem [Blue Heaven]
Densely-tufted, deciduous, perennial grass about 1m tall, producing an upright mound of fine-textured, glaucous, light blue leaves tinted deep pink and burgundy in late summer. Upright, silvery blue flowers appear during late summer and autumn. The whole plant usually turns colours of red, orange and copper in autumn and winter
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Blue Grey Silver | |||
|---|---|---|---|---|
| Summer | Blue Grey Silver | Blue Pink | ||
| Autumn | Orange Pink Bronze | Blue Grey Silver | ||
| Winter | Orange Red Bronze |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
ShelteredDrought resistance
Yes Hardiness
H6Botanical details
- Family
- Poaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Genus
Schizachrium are deciduous, perennial grasses with flat, linear leaves, upright growth and narrowly-branched flower sprays
- Name status
Trade
How to grow
Cultivation
Grow in sharply drained soil in full sun. See ornamental grasses cultivation
Propagation
Propagate by seed or by division in spring
Suggested planting locations and garden types
- City and courtyard gardens
- Coastal
- Cottage and informal garden
- Gravel garden
- Patio and container plants
- Prairie planting
- Flower borders and beds
Pruning
Cut down old stems and leaves in late winter
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.