Robinia × slavinii 'Hillieri'
locust tree 'Hillieri'
A deciduous tree or large shrub, with an open, rounded habit to 10m high. Leaves are dark green and pinnate, made up of up to 19 leaflets. Produces long clusters of fragrant, pale lilac-pink flowers in late spring, followed by long brown seed pods.
Size
Ultimate height
8–12 metresTime to ultimate height
10–20 yearsUltimate spread
Wider than 8 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Pink Purple | Green | ||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Green | Brown | ||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H6Botanical details
- Family
- Fabaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Potentially harmful
- Harmful if eaten, skin irritant. Wear gloves and other protective equipment when handling Pets: Harmful if eaten, skin irritant - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
- Genus
Robinia are vigorous suckering trees and shrubs, sometimes thorny, with pinnate leaves and racemes of pea-type flowers in early summer, sometimes followed by seed pods
- Name status
Accepted
How to grow
Cultivation
Prefers moderately fertile, moist but well-drained soil, but will tolerate poor, dry soils. Choose a spot that is sheltered from strong winds, as branches are brittle.
Propagation
Propagate by division, removing suckers in autumn, or by root cuttings or grafting in winter
Suggested planting locations and garden types
- Architectural
- Cottage and informal garden
Pruning
Pruning group 1; prune in late summer or early autumn to prevent bleeding
Pests
Generally pest-free
Diseases
May be susceptible to honey fungus
Get involved
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