Photo by Little Prince of Oregon
Used with permission, all rights reserved.
Hoya australis
Also Known As
- Hoya keysii
- Hoya
- Porcelain Flower
- Wax Plant
Plant type
cactus / succulent, vine
size
- H: 1'-10'
- W: 1'-10'
planting zones
- 9b-12
Hoya australis plant details
Hoya australis is an evergreen cactus / succulent or vine with blue and green foliage. In spring and summer white flowers emerge. Grows well with mostly sun - dappled shade and occasional - low water. Drought tolerant once established. Does well in average, gritty and well-drained soil. A good option if you're seeking something heat tolerant and humidity tolerant.
CHARACTERISTICS OF Hoya australis
- Plant type: cactus / succulent or vine
- Plant family: apocynaceae
- Foliage: evergreen blue and green
- Mature size: 1 FT - 10 FT - wide, 1 FT - 10 FT - tall
- Flowers: white blooms in spring and summer
- Uses: container plant, fragrant, houseplant, year round interest
GROWING CONDITIONS for Hoya australis
- USDA Zones: 9b - 12
- Sun exposure: mostly sun - dappled shade
- Watering frequency: occasional - low
- Resistant to: heat and humidity
- Soil needs: average, gritty and well-drained
Nursery contributed plant descriptions
Garden photo gallery of Hoya australis
Gardening facts about Hoya australis plant
How to Grow Hoya australis
Sun Exposure
- mostly sun - dappled shade
Water Needs
- occasional - drought tolerant
Soil Needs
- average
- well-drained
- gritty
Special Situation
- heat tolerant
- humidity tolerant
Features
Foliage Color
- green
- blue
Flower Color
- white
Flower Season
- summer
- spring
Foliage Season
- evergreen
Landscape groups by tags
See other plant types of Hoya for your garden
aka Hoya carnosa 'Picta', Hoya compacta 'Regalis', Hoya compacta 'Variegata', Hoya compacta variegata, Angel Rope, Hindu Rope, Hoya, Porcelain Flower, Variegated Hindu Rope, Variegated Indian Rope, Wax Plant
Plant Type
Cactus / Succulent, Vine
Zones
10b-12
Size
Height: 4'-6'
Width: 3"-6"
- mostly sun - mostly shade
- regular - drought tolerant
- dry in winter
aka Mathilde Porcelain Flower, Mathilde Wax Flower
Plant Type
Vine
Zones
10b-11
Size
Height: 4'-6'
Width: 1'-6'
- sun - mostly shade
- regular
aka Wax Plant
Plant Type
Cactus / Succulent
Zones
10b-11
Size
Height: 10'-12'
Width: 12"
- mostly sun - bright shade
- occasional
aka Hoya carnosa 'Crispa', Hoya carnosa 'Hindu Rope', Hoya carnosa 'Krinkle Kurls', Hoya compacta, Angel Rope, Green Curls, Hindu Rope, Hindu Rope Plant, Indian Rope, Porcelain Flower
Plant Type
Cactus / Succulent, Vine
Zones
10b-12
Size
Height: 1'-6'
Width: 1'-6'
- mostly sun - mostly shade
- regular - drought tolerant
aka Porcelain Flower, Sweethearts, Valentine Hoya, Wax Hearts
Plant Type
Cactus / Succulent, Vine
Zones
11-12
Size
Height: 1'-10'
Width: 1'-10'
- sun - mostly shade
- regular - drought tolerant
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