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 sp. Loei leaf detail on white background.

Hoya sp. LoeiSold out

Hoya sp. Malang leaf detail on white background.

Hoya sp. MalangSold out

Hoya sp. Papua 004 leaf detail on white background.

Hoya sp. Papua 004Sold out

Hoya sp. Rangsan leaf detail on white background.

Hoya sp. RangsanSold out

Hoya sp. Rangsan 'Large leaf' close-up of leaf on white background.

Hoya sp. Rangsan (Large Leaf form)Sold out

Hoya sp. Sabah (EPC 961) leaf detail on white background.

Hoya sp. Sabah (EPC 961)Sold out

Hoya sp. Sarawak 'Cream' leaf detail on white background.

Hoya sp. Sarawak (Cream form)Sold out

Hoya sulawesiana close-up of leaf on white background.

Hoya sp. SLM-03 (sold as Hoya sulawesiana)Sold out

Hoya sp. 'Sulawesi 3' leaf close-up on white background.

Hoya sp. Sulawesi 3Sold out

Hoya sp. Sumatra leaf close-up on white background.

Hoya sp. SumatraSold out

Hoya sp. Ternate leaf detail on white background.

Hoya sp. TernateSold out

Hoya sp. Thailand close-up of leaf on white background.

Hoya sp. ThailandSold out

Hoya sp. Timika leaf close-up on white background.

Hoya sp. TimikaSold out

Hoya sp. Trenggalek leaf close-up on white background.

Hoya sp. TrenggalekSold out

Hoya sp. Vietnam (Clone 1) leaf close-up on white background.

Hoya sp. Vietnam (Clone 1)Sold out

Hoya pandurata sp. Vietnam leaf close-up on white background.

Hoya sp. Vietnam (sold as Hoya pandurata)Sold out

Hoya sp. Zambales leaf detail on white background.

Hoya sp. ZambalesSold out

Hoya pachyclada 'New Moon' leaf detail on white background.

Hoya subquintuplinervis ‘New Moon’Sold out

Hoya thomsonii leaf close-up on white background.

Hoya thomsoniiSold out

Hoya undulata close-up of leaf on white background.

Hoya undulataSold out

Hoya vangviengiensis leaf detail on white background.

Hoya vangviengiensisSold out

Hoya versteegii leaf close-up on white background.

Hoya versteegiiSold out

Hoya verticillata 'Lampung' leaf close-up on white background.

Hoya verticillata (Lampung form)Sold out

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

Hoya verticillata (N-Splash form)Sold out

Hoya verticillata 'Nanjuk Splash' leaf detail on white background.

Hoya verticillata (Nganjuk Splash form)Sold out

Hoya verticillata 'Pati' close-up of leaf on white background.

Hoya verticillata (Pati form)Sold out

Hoya verticillata 'Red leaf' aka 'Spoon leaf' close-up of leaf on white background.

Hoya verticillata (Red Leaf / Spoon Leaf form)Sold out

Hoya verticillata var. verticillata 'Black Edge' ('Black Margin') close-up of leaf on white background.

Hoya verticillata var. verticillata 'Black Edge' ('Black Margin')Sold out

Hoya verticillata var. verticillata 'Pink Splash' close-up of leaf on white background.

Hoya verticillata var. verticillata (Pink Splash form)Sold out

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

Hoya verticillata var. verticillata (Splash form)Sold out

Hoya wibergiae close-up of leaf on white background.

Hoya verticillata var. verticillata (syn. Hoya wibergiae)Sold out

Hoya fuscomarginata (Hoya vitellina) leaf close-up on white background.

Hoya vitellina (syn. Hoya fuscomarginata)Sold out

Hoya vitellinoides close-up of leaf on white background.

Hoya vitellinoidesSold out

Hoya wayetii leaf detail on white background.

Hoya wayetiiSold out

Hoya wayetii 'Tricolor' close-up of leaf on white background.

Hoya wayetii 'Tricolor'Sold out

Hoya waymaniae (Kapuas) 'Cloudy sky' close-up of leaf on white background.

Hoya waymaniae (Kapuas form, ‘Cloudy Sky’)Sold out

Hoya 'Chouke' leaf detail on white background.

Hoya ‘Chouke’Sold out

Hoya 'Joy' (aka 'Metallica') close-up of leaf on white background.

Hoya ‘Joy’Sold out

Hoya ‘Mathilde’

€10,00

Hoya 'Michele' (MB1255) close-up of leaf on white background.

Hoya ‘Michele’ (MB1255)Sold out

Hoya 'Microdwarf' (NS12-323) leaf detail on white background.

Hoya ‘Microdwarf’ (NS12-323)Sold out

Hoya ‘Minibelle’ leaf detail on white background.

Hoya ‘Minibelle’Sold out

Hoya ‘Patricia’ leaf close-up on white background.

Hoya ‘Patricia’Sold out

Hoya 'Puom Siam Ruby' (PMP 176) leaf close-up on white background.

Hoya ‘Puom Siam Ruby’ (PMP 176)Sold out

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

Hoya ‘Rebecca’Sold out

Hoya ‘Rindu Rafflesia’ leaf detail on white background.

Hoya ‘Rindu Rafflesia’Sold out

Hoya rosita 'Red Maroon' leaf close-up on white background.

Hoya ‘Rosita’ (Red Maroon form)Sold out

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

Hoya ‘Tequila Sunrise’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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