Solanum sisymbriifolium
sticky nightshade
A tender perennial, grown as an annual, with very deeply-lobed leaves covered in sticky hairs; both stems and leaves are armed with red, spiny prickles. Large, white or pale blue flowers are produced in clusters all summer, followed by green, spiny fruit cases that split to reveal bright red fruit which are edible but insipid
Size
Ultimate height
1–1.5 metresTime to ultimate height
1–2 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Blue White | Green | Green | |
| Autumn | Green | Red | ||
| Winter |
Position
- Full sun
Aspect
West–facing or South–facing
Exposure
Sheltered Hardiness
H2Botanical details
- Family
- Solanaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- 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
Correct
- Plant range
- South America
How to grow
Cultivation
Grow in moist but well-drained soil in neutral or slightly alkaline soil in full sun. Is being trialled as a trap crop for potato cyst nematode. May have the potential to become a nuisance as seeds prolifically
Propagation
Propagate by seed
Suggested planting locations and garden types
- Architectural
- Cottage and informal garden
- Wildlife gardens
- Flower borders and beds
Pruning
No pruning required
Pests
Generally pest-free
Diseases
May be susceptible to honey fungus (rarely)
Get involved
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