The illustrated growing guide
Hoya (Wax Plant)
Hoya carnosa
Family Apocynaceae
Est. zones 10-12
Blooms look unreal — clusters of wax stars dripping nectar. Rootbound + bright + benign neglect = flowers.
Bright indirect
Low water
Slow-Moderate growth
Attracts bees
None winter chill
From the print shop
Growing hoya (wax plant)? Hang it.
Our Houseplants Vol. 1 collection carries hoya (wax plant) — Hoya carnosa, print Nº 13, “Hoya.”
16 designsfrom $21.99white or black groundmatte poster, unframed
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Overview
Will hoya (wax plant) suit your garden, and what goes wrong.
Will it thrive where you are?
Enter your ZIP — we look up your USDA hardiness zone (2023 map) and check it against what hoya (wax plant) actually needs.
Hardy inZones 10-12Hoya (Wax Plant) at a glance
Common hoya (wax plant) problems
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Growing
Light, water, soil, propagation and the season’s jobs.
How to grow hoya (wax plant): light, water & soil
How to plant & propagate hoya (wax plant)
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The year
What hoya (wax plant) asks for, month by month.
The hoya (wax plant) year, month by month
No fixed season calendar for hoya (wax plant) — its care follows conditions, not the calendar.
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Ecology & uses
What it does for the garden, and what it is grown for.
Hoya (Wax Plant) in the garden system
What hoya (wax plant) is grown for
✓ Not known to be toxicSafe for pets
Edibility, identification, and traditional-use notes here are general reference — not medical or veterinary advice, and not a claim that any plant treats or prevents anything. Medicinal ratings record how strongly a plant features in herbal tradition, nothing more. Never eat or dose a plant you have not positively identified. More on how to use this library.
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Cultivars
Named varieties of hoya (wax plant), ruled as a catalogue.
Best hoya (wax plant) varieties & cultivars
'Krimson Queen'; 'Compacta' (rope hoya); 'Pubicalyx'
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Sources & plant ID
Where the care distinctions come from, and how the plant is filed.
Research basis
Sources behind this profile
No extension citations are attached to hoya (wax plant)yet. The care figures below come from the library's own catalogue rather than a traced primary source.
Plant ID
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Where to buy
Third-party nurseries — not Story Thyme Farms.
Third-party nurseries, not Story Thyme Farms. Prices are theirs.
Story Thyme Farms may earn a small commission from these links, at no cost to you — it never changes what we recommend. As an Amazon Associate I earn from qualifying purchases.
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Questions
Hoya (Wax Plant) questions, answered straight.
Is hoya (wax plant) safe for kids and pets?
Hoya (Wax Plant) is commonly eaten and isn't considered toxic, but "commonly eaten" isn't a guarantee for any particular person or animal — allergies, quantity, and which part you eat all matter. One caveat on this one: Safe for pets. Never eat a plant you haven't positively identified, and check with a vet before letting pets or livestock graze anything new.
How do you propagate hoya (wax plant)?
Stem/leaf cuttings, division, or pups.
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Elsewhere
Where hoya (wax plant) sits in the library.
Monstera
Golden Pothos
Snake Plant
Heartleaf Philodendron