Hoya australis
New South Wales wax flower
A species of evergreen, climbing vine with thick, oval-shaped glossy dark green succulent foliage. Fragrant, star-shaped pinkish-white flowers appear in late summer to autumn
Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 yearsUltimate spread
1–1.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Pink White | Green | ||
| Autumn | Pink White | Green | ||
| Winter | Green |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H1BBotanical details
- Family
- Apocynaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Climbing, Trailing
- Genus
Hoya are evergreen perennials, often twining climbers, with simple, leathery leaves and often fragrant flowers with 5 spreading waxy petals, followed by slender, spindle-shaped pods contained small seeds in copious silky floss
- Name status
Correct
How to grow
Cultivation
Grow indoors in a free-draining potting mix, such as a mixture of peat-free, loam-based compost, sharp sand, ground bark and charcoal. Position in bright filtered light, with moderate to high humidity, and water freely in the growing season; keep just moist in winter. Will not tolerate wet soil. See hoya cultivation
Propagation
Propagate by semi-hardwood cuttings or by layering
Suggested planting locations and garden types
- Houseplants
- Sub-tropical
- Patio and container plants
- Conservatory and greenhouse
- Climber and wall shrubs
Pruning
Pests
May be susceptible to mealybugs, glasshouse whitefly and scale insects
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.