Best house plants to grow - hoyas

Hoya carnosa

Wax flower

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Flowers
Flowers

Plant does not flower in January

Plant does not flower in February

Plant does not flower in March

Plant does not flower in April

Plant does flower in May

Plant does flower in June

Plant does flower in July

Plant does flower in August

Plant does flower in September

Plant does not flower in October

Plant does not flower in November

Plant does not flower in December

  • Botanical name: Hoya carnosa
  • Common name: Wax flower
  • Family: Asclepiadaceae
  • Plant Type: Climber, Conservatory, House plant, Perennial
Flower colour:

White

Foliage colour:

Green

Known as the wax flower, Hoya is a genus of plants native to Asia, Australia and the Pacific islands. Hoya carnosa bears clusters of night-scented, star-shaped, white flowers in contrast with fleshy dark green leaves up to 8cm long. The wax flower needs a minimum temperature of 10°C to thrive.

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For best results, grow Hoya carnosa in containers of compost with added bark, and spray with water regularly to increase humidity. Water freely and feed monthly when in growth. Reduce watering in winter but keep the compost moist.

How to grow Hoya carnosa

  • Plant size

    45cm height

    45cm spread

  • Sun exposure: Dappled shade, full sun
  • Hardiness: Tender
  • Soil type: Well drained / light / sandy

Plant calendar

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Plant
Plant

Do not Plant in January

Do not Plant in February

Do not Plant in March

Do not Plant in April

Do Plant in May

Do Plant in June

Do Plant in July

Do Plant in August

Do Plant in September

Do not Plant in October

Do not Plant in November

Do not Plant in December

Flowers
Flowers

Plant does not flower in January

Plant does not flower in February

Plant does not flower in March

Plant does not flower in April

Plant does flower in May

Plant does flower in June

Plant does flower in July

Plant does flower in August

Plant does flower in September

Plant does not flower in October

Plant does not flower in November

Plant does not flower in December

Hoya carnosa and wildlife

Hoya carnosa has no particular known value to wildlife in the UK.

Is Hoya carnosa poisonous?

Hoya carnosa has no toxic effects reported.

No reported toxicity to:

No reported toxicity to Birds

No reported toxicity to Cats

No reported toxicity to Dogs

No reported toxicity to Horses

No reported toxicity to Livestock

No reported toxicity to People

Plants that go well with Hoya carnosa