Heuchera cylindrica
roundleaf alum root
An evergreen perennial forming low, dense mounds of oval to heart-shaped leaves up to 6cm across with toothed and scalloped edges. From late spring into summer, small, yellow-green to creamy-white flowers are borne in tight clusters on upright stems to 80cm tall
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Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Cream White Yellow | Green | ||
|---|---|---|---|---|
| Summer | Green Cream White Yellow | Green | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
- Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed or ShelteredDrought resistance
Yes Hardiness
H6Botanical details
- Family
- Saxifragaceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Bushy
- Genus
Heuchera are more or less evergreen, clump-forming perennials with attractive, rounded, shallowly palmately lobed leaves and racemes or panicles of small, tubular flowers, often with colourful calyces
- Name status
Correct
- Plant range
- Western N America
How to grow
Cultivation
Grow in a fertile, moist but well-drained, neutral soil in sun or partial shade. The woody rootstock tends to lift out of the ground so mulch annually or lift and replant
Propagation
Propagate by seed or by division
Suggested planting locations and garden types
- City and courtyard gardens
- Coastal
- Cottage and informal garden
- Patio and container plants
- Rock garden
- Flower borders and beds
- Cut flowers
- Underplanting of roses and shrubs
Pruning
Remove faded flower spikes
Pests
May be susceptible to vine weevils and mealybugs
Diseases
May be susceptible to heuchera rust
Get involved
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