Solanum crispum 'Glasnevin'
potato tree 'Glasnevin'
A large, scrambling, semi-evergreen climbing shrub with finely-pointed, ovate leaves 5-12cm in length, and fragrant violet-blue flowers 2.5cm in width, in large open clusters. Fruit 6mm, creamy-white
Size
Ultimate height
4–8 metresTime to ultimate height
5–10 yearsUltimate spread
1–1.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Blue | Green | ||
Autumn | Blue | Green | Cream | |
Winter | Green |
Position
- Full sun
Aspect
East–facing or South–facing
Exposure
ShelteredDrought resistance
Yes Hardiness
H4Botanical details
- Family
- Solanaceae
- Native to GB / Ireland
- No
- Foliage
- Semi evergreen
- Habit
- Climbing
- Genus
Solanum can be annuals, perennials, evergreen or deciduous shrubs or twining climbers, with simple or pinnnately lobed leaves and star- or bowl-shaped, 5-lobed flowers with prominent stamens, followed by fleshy fruits
- Name status
Accepted
How to grow
Cultivation
Grow under glass in peat-free, loam-based compost in full light light from hot sun, or bright indirect light. Grow outdoors in moist but well-drained fertile soil in neutral to slightly alkaline soil in full sun. Support plants and tie in regularly
Propagation
Propagate by semi-hardwood cuttings
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Low Maintenance
- Flower borders and beds
- Wall side borders
Pruning
Pruning group 12 after flowering
Pests
May be susceptible to aphids and glasshouse red spider mite
Diseases
May be susceptible to honey fungus (rarely), tomato spotted wilt and grey moulds
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.