Crocosmia × crocosmiiflora 'Sunglow'
montbretia 'Sunglow'
A cormous herbaceous perennial, up to 60cm high, with narrow mid-green leaves, and tubular golden yellow-orange flowers, 2.5cm across, arranged in two rows and facing sideways, from mid to late summer
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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
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Gold Yellow | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
West–facing or South–facing or East–facing
Exposure
Sheltered Hardiness
H4Botanical details
- Family
- Iridaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Genus
Crocosmia are deciduous cormous perennials with erect, sword-shaped leaves and branched spikes of showy, funnel-shaped flowers in summer
- Name status
Accepted
How to grow
Cultivation
This plant is listed on Schedule 9 of the UK Wildlife & Countryside Act as an invasive non-native species. Although not banned from sale, it is an offence to plant or cause these to grow in the wild IN ENGLAND AND WALES. Gardeners possessing them should undertake measures to control them. See RHS advice on invasive non-native species for further information
Propagation
Propagate by division of established clumps in spring, just before new growth starts
Suggested planting locations and garden types
- Coastal
- City and courtyard gardens
- Cottage and informal garden
- Prairie planting
- Low Maintenance
- Banks and slopes
- Cut flowers
- Flower borders and beds
- Wall side borders
Pruning
No pruning required, except removal of dead leaves and flower stems before new growth starts in spring
Pests
May be susceptible to glasshouse red spider mite
Diseases
Generally disease-free
Get involved
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