Geranium macrorrhizum 'Ridsko'
big-root cranesbill 'Ridsko'
'Ridsko' is a herbaceous perennial, 30-35cm high, spreading by dark rhizomes, with dark stems, almost deciduous, aromatic, lobed, rather glossy green leaves, which turn red in autumn, and pale magenta-pink flowers, 2.5cm across, held well above the leaves, from late spring to early summer
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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Brown | Pink | Green | |
|---|---|---|---|---|
| Summer | Brown | Pink | Green | |
| Autumn | Brown | Red Green | ||
| Winter | Brown |
Position
- Full shade
- Full sun
- Partial shade
Aspect
South–facing or North–facing or West–facing or East–facing
Exposure
Exposed or ShelteredDrought resistance
Yes Hardiness
H7Botanical details
- Family
- Geraniaceae
- Native to the UK
- No
- Foliage
- Semi evergreen
- Habit
- Matforming
- Genus
Geranium can be annuals, biennials and perennials, herbaceous or evergreen, with rounded, usually palmately lobed or divided leaves, and lax inflorescences of rounded, 5-petalled flowers
- Name status
Accepted
How to grow
Cultivation
Grow in full sun or partial shade in well-drained soil; excellent for ground-cover
Propagation
Propagate by division or by rhizome cuttings in spring
Suggested planting locations and garden types
- City and courtyard gardens
- Rock garden
- Cottage and informal garden
- Low Maintenance
- Flower borders and beds
- Ground cover
- Garden edging
- Underplanting of roses and shrubs
Pruning
No pruning required
Pests
May be susceptible to capsid bug, geranium sawfly, vine weevil, slugs and snails but generally pest-free
Diseases
May be susceptible to a rust, a downy mildew, leafy gall, and virus diseases; may also be affected by powdery mildews in dry conditions but generally disease-free
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