Geranium psilostemon 'Jason Bloom'
Armenian cranesbill 'Jason Bloom'
'Jason Bloom' is an upright clump-forming herbaceous perennial, up to 1.2m high, with deciduous, seven-lobed, mid-green leaves, and large, shallowly bowl-shaped flowers, 5-6cm across, of deep magenta-pink petals with black centres and veins, from early to late summer
Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Black Pink | Green | ||
| Autumn | Black Pink | Green | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
North–facing or West–facing or South–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Geraniaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- 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 sun or partial shade in moist but well-drained soil
Propagation
Propagate by division in spring
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Wildlife gardens
- Coastal
- Wildflower meadow
- Flower borders and beds
- Underplanting of roses and shrubs
Pruning
No pruning required, but cutting back flowered stems and old leaves may encourage the growth of fresh leaves and flowers
Pests
Generally pest-free, but may be susceptible to capsid bug, geranium sawfly, vine weevil, slugs and snails
Diseases
Generally disease-free, but may be affected by a rust, a downy mildew, leafy gall, and virus diseases; may also be affected by powdery mildews in dry conditions
Get involved
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