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 crassipetiolata 'Splash' leaf detail on white background.

Hoya crassipetiolata ‘Splash’Sold out

Hoya curtisii leaf detail on white background.

Hoya curtisiiSold out

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

Hoya curtisii ‘Silver’Sold out

Hoya deykeae leaf detail on white background.

Hoya deykeiSold out

Hoya dolichosparte close-up of leaf on white background.

Hoya dolichosparteSold out

Hoya endauensis leaf close-up on white background.

Hoya endauensisSold out

Hoya erythrina leaf detail on white background.

Hoya erythrinaSold out

Hoya exilis leaf detail on white background.

Hoya exilisSold out

Hoya finlaysonii (Sarawak) close-up of leaf on white background.

Hoya finlaysonii (Sarawak)Sold out

Hoya finlaysonii (Sukhirin) leaf detail on white background.

Hoya finlaysonii (Sukhirin)Sold out

Hoya finlaysonii 'Round Leaf' leaf detail on white background.

Hoya finlaysonii ‘Round Leaf’Sold out

Hoya fischeriana close-up of leaf on white background.

Hoya fischerianaSold out

Hoya fitchii leaf detail on white background.

Hoya fitchiiSold out

Hoya flavida close-up of leaf on white background.

Hoya flavidaSold out

Hoya fungii leaf close-up on white background.

Hoya fungiiSold out

Hoya GFM-04 leaf detail on white background.

Hoya GFM-04Sold out

Hoya glabra 'Black Margin' close-up of leaf on white background.

Hoya glabra ‘Black Margin’Sold out

Hoya glabra 'Splash' leaf close-up on white background.

Hoya glabra ‘Splash’Sold out

Hoya globulifera leaf close-up on white background.

Hoya globuliferaSold out

Hoya globulosa (villosa) leaf detail on white background.

Hoya globulosa (villosa)Sold out

Hoya globulosa (villosa) Cao Bang leaf detail on white background.

Hoya globulosa (villosa) Cao BangSold out

Hoya globulosa (villosa) 'Long Leaf' close-up of leaf on white background.

Hoya globulosa ‘Long Leaf’Sold out

Hoya heuschkeliana variegata leaf close-up on white background.

Hoya heuschkeliana (inner-variegated form)Sold out

Hoya heuschkeliana albomarginata leaf detail on white background.

Hoya heuschkeliana (marginally variegated form)Sold out

Hoya imbricata leaf close-up on white background.

Hoya imbricataSold out

Hoya imperialis 'Red' leaf close-up on white background.

Hoya imperialis 'Red'Sold out

Hoya incrassata 'Eclipse' close-up of leaf on white background.

Hoya incrassata ‘Eclipse’Sold out

Hoya sp. Dahlia (Hoya kaikoeana) close-up of leaf on white background.

Hoya kaikoeana (formerly Hoya sp. ‘Dahlia’)Sold out

Hoya kerrii

€10,00

Hoya kerrii variegata

€11,25

Hoya kerrii 'Splash' leaf close-up on white background.

Hoya kerrii ‘Splash’Sold out

Hoya krohniana 'Super Silver' leaf detail on white background.

Hoya krohniana 'Super Silver'Sold out

Hoya krohniana 'Black Leaves' leaf detail on white background.

Hoya krohniana ‘Black Leaves’Sold out

Hoya krohniana 'Splash' leaf close-up on white background.

Hoya krohniana ‘Splash’Sold out

Hoya lacunosa 'Amarillo' leaf detail on white background.

Hoya lacunosa ‘Amarillo’Sold out

Hoya lacunosa 'Asami' close-up of leaf on white background.

Hoya lacunosa ‘Asami’Sold out

Hoya lacunosa ‘Bruno Tricolor’ close-up of leaf on white background.

Hoya lacunosa ‘Bruno Tricolor’Sold out

Hoya lacunosa 'Laos' leaf detail on white background.

Hoya lacunosa ‘Laos’Sold out

Hoya lacunosa 'Leopard Skin' close-up of leaf on white background.

Hoya lacunosa ‘Leopard Skin’Sold out

Hoya lacunosa 'Mint' leaf detail on white background.

Hoya lacunosa ‘Mint’Sold out

Hoya lacunosa 'Splash' leaf detail on white background.

Hoya lacunosa ‘Splash’Sold out

Hoya latifolia leaf detail on white background.

Hoya latifoliaSold out

Hoya latifolia 'Albomarginata' close-up of leaf on white background.

Hoya latifolia 'Albomarginata'Sold out

Hoya latifolia 'Splash' close-up of leaf on white background.

Hoya latifolia 'Splash'Sold out

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

Hoya latifolia ‘Albomarginata Round Leaf’Sold out

Hoya latifolia 'Pot of Gold' leaf close-up on white background.

Hoya latifolia ‘Pot of Gold’Sold out

Hoya latifolia sp. Indonesia 'Silver Splash' leaf close-up on white background.

Hoya latifolia ‘Silver Splash’ (Indonesia form)Sold out

Hoya latifolia 'Silver' leaf close-up on white background.

Hoya latifolia ‘Silver’Sold 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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