Boronia heterophylla
red boronia
A tender, upright, bushy, evergreen shrub with narrow, needle-like, aromatic, mid-green leaves. In spring to early summer it bears clusters of pendent, bell-shaped, dark pink flowers along the branches.
Size
Ultimate height
1–1.5 metresTime to ultimate height
5–10 yearsUltimate spread
1–1.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Pink | Green | ||
|---|---|---|---|---|
| Summer | Pink Green | |||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H3Botanical details
- Family
- Rutaceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Spreading branched, Bushy
- Genus
Boronia are shrubs with evergreen, often aromatic, foliage and cup- or bell-shaped flowers borne singly or in clusters
- Name status
Correct
- Plant range
- SW Australia
How to grow
Cultivation
Under glass grow in lime-free (ericaceous) potting compoost in full light with shade from hot sun. Provide good ventilation. When in growth, water moderately, applying a phosphate-free liquid fertiliser once a month; water sparingly in winter. Outdoors, cultivate in moist but well-drained, ideally sandy, neutral to acid soil in full sun, provide the plants with a cool root run.
Propagation
Sow seed at 16°C (61°F) in spring. Propagate by semi-ripe cuttings in a propagating case with bottom heat in summer.
Suggested planting locations and garden types
- City and courtyard gardens
- Conservatory and greenhouse
- Wall side borders
Pruning
Pests
May be susceptible to glasshouse red spider mite.
Diseases
Generally disease-free.
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.