Hoya (Wax Plants)

Trailing, twining and climbing vines make Hoya adaptable to several display styles. The genus belongs to the Apocynaceae and carries narrow, textured, variegated or succulent leaves. Established vines may produce clusters of intricate seasonal flowers.

Substrate help

Build a lean, fast-draining Hoya mix

Hoya roots benefit from an open, bark-led setup that dries cleanly while still giving roots enough contact and structure.

Shop Hoya Mix Starter Shop Substrate Sets

Hoya 'Rosita' leaf close-up on white background.

Hoya 'Rosita'Sold out

Hoya 'Sunrise' close-up of leaf on white background.

Hoya 'Sunrise'Sold out

Hoya aff. icensis close-up of leaf on white background.

Hoya aff. IcensisSold out

Hoya AH803 leaf close-up on white background.

Hoya AH803Sold out

Hoya amicabilis 'Splash' leaf detail on white background.

Hoya amicabilis ‘Splash’Sold out

Hoya archboldiana close-up of leaf on white background.

Hoya archboldianaSold out

Hoya australis close-up of leaf on white background.

Hoya australisSold out

Hoya australis 'Lisa' close-up of leaf on white background.

Hoya australis ‘Lisa’Sold out

Hoya blashernaezii leaf detail on white background.

Hoya blashernaeziiSold out

Hoya bonii close-up of leaf on white background.

Hoya boniiSold out

Hoya buntokensis leaf close-up on white background.

Hoya buntokensisSold out

Hoya burtoniae leaf detail on white background.

Hoya burtoniaeSold out

Hoya burtoniae variegata leaf close-up on white background.

Hoya burtoniae variegataSold out

Hoya callistophylla leaf close-up on white background.

Hoya callistophyllaSold out

Hoya callistophylla 'Vena' (aka sp. Sekadau Borneo) leaf close-up on white background.

Hoya callistophylla 'Vena' (aka sp. Sekadau Borneo)Sold out

Hoya callistophylla sp. Kalimantan leaf close-up on white background.

Hoya callistophylla (Kalimantan form)Sold out

Hoya callistophylla KAL 16 close-up of leaf on white background.

Hoya callistophylla KAL 16Sold out

Hoya callistophylla 'Black cat' (IML 3576) leaf close-up on white background.

Hoya callistophylla ‘Black Cat’ (IML 3576)Sold out

Hoya carnosa 'Compacta' leaf close-up on white background.

Hoya carnosa 'Compacta'Sold out

Hoya carnosa 'Dark red' leaf detail on white background.

Hoya carnosa 'Dark red'Sold out

Hoya carnosa 'Krimson Queen' (albomarginata) leaf close-up on white background.

Hoya carnosa 'Krimson Queen' (albomarginata)Sold out

Hoya carnosa 'Regalis' ('Compacta' Variegata) close-up of leaf on white background.

Hoya carnosa 'Regalis' ('Compacta' Variegata)Sold out

Hoya carnosa 'Tricolor'

From €9,25

Hoya carnosa AH-074 'Silver Moon' close-up of leaf on white background.

Hoya carnosa AH-074 ‘Silver Moon’Sold out

Hoya carnosa ‘Krinkle Tricolor’ close-up of leaf on white background.

Hoya carnosa inner-variegated Krinkle form (‘Krinkle Tricolor’)Sold out

Hoya carnosa 'Krimson Queen Splash' close-up of leaf on white background.

Hoya carnosa Krimson Queen SplashSold out

Hoya carnosa 'Flamingo Dream' leaf close-up on white background.

Hoya carnosa ‘Flamingo Dream’Sold out

Hoya 'Krinkle 8' leaf close-up on white background.

Hoya carnosa ‘Krinkle 8’Sold out

Hoya carnosa ‘Mauna Loa’ ('Lura Lei', 'Exotica') leaf close-up on white background.

Hoya carnosa ‘Mauna Loa’ ('Lura Lei', 'Exotica')Sold out

Hoya carnosa 'Speckles' close-up of leaf on white background.

Hoya carnosa ‘Speckles’Sold out

Hoya carnosa ‘Suzie Q’ leaf close-up on white background.

Hoya carnosa ‘Suzie Q’Sold out

Hoya carnosa 'Tricolor Narrow Leaf' leaf close-up on white background.

Hoya carnosa ‘Tricolor Narrow Leaf’Sold out

Hoya caudata 'Gold' leaf close-up on white background.

Hoya caudata ‘Gold’Sold out

Hoya caudata 'Sumatra' aka 'Silver Stains' leaf detail on white background.

Hoya caudata ‘Sumatra’Sold out

Hoya bilobata leaf close-up on white background.

Hoya cf. bilobataSold out

Hoya cinnamomifolia leaf close-up on white background.

Hoya cinnamomifoliaSold out

Hoya clemensiorum (Sumatra) leaf close-up on white background.

Hoya clemensiorum (Sumatra)Sold out

Hoya clemensiorum Kalimantan (Clone 1) leaf close-up on white background.

Hoya clemensiorum Kalimantan (Clone 1)Sold out

Hoya clemensiorum Kalimantan (Clone 2) leaf detail on white background.

Hoya clemensiorum Kalimantan (Clone 2)Sold out

Hoya clemensiorum 'Round Leaf' leaf close-up on white background.

Hoya clemensiorum ‘Round Leaf’Sold out

Hoya CNS 005 leaf detail on white background.

Hoya CNS 005Sold out

Hoya coriacea 'Silver' close-up of leaf on white background.

Hoya coriacea ‘Silver’Sold out

Hoya corneri close-up of leaf on white background.

Hoya corneriSold out

Hoya crassipetiolata leaf detail on white background.

Hoya crassipetiolataSold out

Hoya crassipetiolata (long leaf form) leaf close-up on white background.

Hoya crassipetiolata (long leaf form)Sold out

Hoya crassipetiolata 'Splash Round Leaf' leaf detail on white background.

Hoya crassipetiolata ‘Splash Round Leaf’Sold out

Hoya crassipetiolata 'Splash' leaf detail on white background.

Hoya crassipetiolata ‘Splash’Sold out

Hoya curtisii leaf detail on white background.

Hoya curtisiiSold out

Apocynaceae

Hoya (Wax Plants)

Hoya pots with persistent flower spurs

Available format: compact pots, hanging baskets and trained vines.
Flowering spur: established peduncles can produce repeat flower clusters.
Pet safety: Hoya is non-toxic to cats and dogs; chewing can cause stomach upset.

Quick Overview

Hoya pots with persistent flower spurs

Available format: compact pots, hanging baskets and trained vines.
Flowering spur: established peduncles can produce repeat flower clusters.
Pet safety: Hoya is non-toxic to cats and dogs; chewing can cause stomach upset.

Botanical Profile

Hoya is an accepted genus in Apocynaceae native from tropical and subtropical Asia to the western Pacific. Most species are epiphytic or lithophytic vines, which explains the small root systems, airy substrate preference and long-lived flowering spurs seen indoors.

Details & Care

Hoya vines, leaf textures and flower spurs

Hoya includes climbing and trailing species with leaves ranging from thin and soft to thick, waxy and succulent. Pattern may appear as splash, margins or sectors, and established plants can produce fragrant flower clusters from persistent spurs.

Choosing the vine

Bushier cultivars branch readily and fill the pot, while vigorous species need a trellis, hoop or open trailing space. Closely spaced leaf pairs create a dense line; longer internodes give the vine a lighter appearance. Leaf thickness offers only a rough clue to moisture use, so species identity and root conditions remain decisive. Water thoroughly after the root zone reaches the drying stage appropriate to the species, pot and substrate.

The Hoya care guide covers those differences in more detail. Many Hoyas grow as epiphytes, making the guide to epiphytic plants relevant to substrate and support. Strong filtered light supports flowering and pattern, as explained in the bright indirect light guide.

Hoyas are not normally considered toxic to cats or dogs. Chewing may still cause mild digestive upset and damage active vines or flower spurs.

Frequently Asked Questions About Hoya

How much light does Hoya need indoors?

Bright light is the baseline. Many common hoyas flower best with strong indirect light or a little gentle direct sun, and weak light is one of the main reasons they stay all leaf and no bloom.

How often should I water Hoya?

In active growth, let roughly the top 30–50% of the pot dry before watering again. In winter, let it go drier, closer to 50–75%, but do not keep it bone dry for long. Many hoyas are epiphytic or lithophytic, so airy roots and fast drainage matter as much as the watering interval.

Why is my Hoya not flowering?

Usually because the plant is not getting enough light, is still too immature, or has had uneven care while trying to grow. Strong light and steady watering are the biggest factors behind reliable flowering indoors.

Why is my Hoya dropping buds

Bud drop often follows a change in light, moving the plant while it is in bud, or swings between too-wet and too-dry roots. Leave old flower spurs in place, because hoyas can flower from them again.

Is Hoya safe for cats and dogs?

Hoya carnosa and its common wax-plant forms are listed by ASPCA as non-toxic to cats and dogs. For rarer species and hybrids, it is still safer to check the exact botanical name rather than assuming every plant sold as “Hoya” has been assessed the same way.

Worth reading:

Potted Hoya houseplant with waxy leaves and trailing stems

Hoya Happiness: Guide to Growing and Caring for Hoya Plants Indoors

Trailing Hoya houseplant with thick green leaves growing in a pot

Comprehensive FAQ Guide for Hoya Plant Care: Tips, Troubleshooting & Growth

Philodendrons, Anthuriums, ferns and orchids growing on a large tropical tree

Why So Many Houseplants Don’t Belong in Soil — Epiphytes Explained

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