Hoya Species, Wax Plant, Porcelain Flower

Hoyaaustralis subsp. australis

Family
Apocynaceae (a-pos-ih-NAY-see-ee)
Genus
Hoya (HOY-a)
Synonym
Hoya bicarinata
Hoya billardieri
Hoya keysii
Hoya pilosa
Hoya pubescens
Sun Exposure
Sun to Partial Shade
Light Shade
Foliage
Succulent
Height
10-12 ft. (3-3.6 m)
Spacing
3-6 in. (7-15 cm)
Hardiness
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
Parts of plant are poisonous if ingested
Bloom Color
Red
White/Near White
Bloom Time
Blooms repeatedly
Other Details
Category
Tropicals and Tender Perennials
Vines and Climbers
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Can be grown as an annual
Suitable for growing in containers
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
From herbaceous stem cuttings
From woody stem cuttings
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Seed does not store well; sow as soon as possible
Regional

This plant is said to grow outdoors in the following regions:

Calistoga, California

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Gardener's Notes:

1
positive
0
neutral
0
negative
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T
Rathdrum, ID (Zone 5b) | February 2021 | positive

Hoya australis subs australis is an excellent beginner hoya.

It is beautiful, not fussy, grows well and fast, and blooms ...Read More

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