21 Hoyas: Water Less, Wait Longer
Hoyas vary widely in leaf shape, growth habit, flowers, and range, but many benefit from bright filtered light, good drainage, some drying between waterings, and keeping persistent flower stalks.
Key takeaways
- Check the potting mix before watering and allow some drying for many Hoyas.
- Use a well-draining mix and avoid leaving roots wet for long periods.
- Give many common Hoyas bright filtered or indirect light.
- Keep persistent old flower stalks because several species can bloom from them again.
- For Hoya kerrii, buy a stem node rather than relying on a rooted single leaf.
Hook
Wet roots can rot on many Hoyas, so patience can be better than simply adding more water. Hoya carnosa can flower again from the same old flower stalk, while a single Hoya kerrii leaf may remain unchanged for ages. Hoya latifolia leaves can reach twenty-five by seventeen centimeters. Here are all twenty-one before choosing a first buy.
What These Plants Are
Many Hoyas grow as climbers, trailers, or epiphytes, so they should not all be treated as identical houseplants. Thick leaves do not mean the roots should stay permanently dry; a safer pattern is drainage, watering, then some drying. Bright filtered light is repeatedly recommended across common Hoyas. Several species can reuse old flower stalks for future blooms, so keep those stalks.
Classics and Variegates
Hoya carnosa has thick glossy leaves, climbing or trailing vines, fragrant star flowers, and permanent flower stalks that can bloom repeatedly across multiple years. Compacta shares carnosa's thick waxy leaves and trailing habit, while Krimson Princess and Krimson Queen are thick-leaved carnosa forms; give bright filtered light, let the mix dry as appropriate, and check the mix because both overwet and overdry conditions can cause leaf drop in Krimson Queen. Hoya australis has thick opposite leaves and strongly sweet, nectar-rich white or cream flowers with red markings, while Lisa begins with pink new leaves and later develops cream and pale green; keep Lisa's old flower stalks because they can flower in later years. Hoya pubicalyx is native to the Philippines, has long glossy silver-spotted leaves and pale pink to very dark wine flowers that are especially fragrant at night, and should avoid harsh direct sun.
Hearts, Rounds and Giants
Hoya kerrii has thick heart-shaped leaves and can grow into a three-to-four-meter climbing vine, but a rooted single leaf may remain unchanged without suitable stem tissue, so buy a stem node. Hoya obovata has very thick round, obovate, or heartlike leaves and flower clusters reaching about fifteen centimeters across; let it dry between waterings. Hoya latifolia has fleshy leaves reaching twenty-five centimeters long, with Five prominent veins as an identification feature, and its flowers can stay open about six days; shield it from harsh afternoon sun. Finlaysonii has strongly raised dark veins and leaves reaching about twenty-one centimeters, while a single flower usually lasts only about one day or slightly longer; use fast-draining mix.
Small and Textured
Hoya bella stays compact with thin trailing branches and small pointed leaves; its white flowers have pink-to-purple centers, become especially fragrant in the evening and at night, and do well with bright indirect light. Hoya curtisii has tiny silver-marked dark leaves and is drought tolerant but sensitive to overwatering, so let it dry before watering; Hoya lacunosa has small glossy textured leaves and fuzzy flowers in clusters approaching thirty, with a cinnamon-like fragrance often stronger at night, so keep drainage open. Eskimo is a cultivated form of Philippine-native Hoya krohniana, and long-wet potting mix increases root-rot risk, so let the mix dry. Hoya caudata has rigid dark leaves with white markings and densely hairy white to pale pink flowers; direct sunlight can turn its leaves red, but avoid all-day full sun.
Unusual Shapes
Hoya linearis has soft hanging stems with narrow cylindrical leaves, and mature stems can reach about one and a half meters; its evening flowers can have a faint lemon fragrance, and its roots need drainage. Hoya retusa has narrow grassy succulent leaves with notched tips and usually solitary or tiny groups of white star flowers; reduce winter watering. Hoya polyneura is a trailing epiphyte whose dense veins create a fishtail appearance, and it prefers dappled bright light. Hoya multiflora grows more upright, with strongly reflexed shooting-star flowers and about forty flowers in one cluster, while Hoya wayetii has narrow fleshy leaves whose dark margins can turn red in strong enough light; do not move multiflora's flower buds, and never leave wayetii's roots soaking.
Beginner Q&A
Check the mix before watering: many Hoyas want some drying between waterings rather than permanent wetness. Move plants toward bright light, since bright filtered or indirect light suits several beginner-friendly species, and use an airy draining mix because long-wet or poorly drained media raises root-rot risk. Humidity does not replace drainage, so avoid soggy roots. When flowers finish, keep persistent flower stalks.
Outro
Hoya carnosa is a possible first Hoya, with care that supports bright filtered light and partial drying between waterings. It has been cultivated for more than two hundred years. Much of the care is about avoiding unnecessary watering and unnecessary pruning, while logging the plant in PLNTverse as it grows. Next episode: Tillandsia, twenty-five air plants.
Plants in this video
Samoan waxplantSamoan waxplantminiature wax plantporcelainflowerporcelainflowerporcelainflowerporcelainflowerHoya caudataHoya curtisiiHoya finlaysoniiHeart HoyaHoya krohnianaHoya lacunosaHoya latifoliaHoya linearisHoya multifloraHoya obovataHoya polyneuraHoya pubicalyxHoya retusaHoya wayetii