Hoya linearis

Hoya linearis

Wax Plant

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Taxonomy

Family Apocynaceae · Genus Hoya

Common Names

Wax PlantPorcelain FlowerHoya

Context

nativeRegion

Eastern Himalayas and surrounding regions of Southeast Asia.

usdaZones

10-12 (as an outdoor plant; generally grown indoors in cooler climates).

companionPlants

Other epiphytic Hoyas, Orchids (e.g., Dendrobium, Phalaenopsis), Dischidia species

culturalUses

Primarily cultivated as an ornamental houseplant for its graceful foliage and fragrant flowers.

Care

LightBright, indirect light. Can tolerate some morning sun but avoid harsh midday direct sun.

WateringAllow the top inch of soil to dry out between waterings. Water thoroughly, but avoid letting the pot sit in water.

SoilWell-draining, airy mix (such as cactus or orchid mix combined with perlite and bark).

FertilizerFertilize monthly during growing season (spring/summer) with a balanced, diluted fertilizer.

HumidityPrefers moderate to high humidity (50-70%). Tolerant of average indoor humidity but benefits from occasional misting.

TemperatureIdeal range 15-28°C (60-82°F). Keep above 10°C (50°F). Avoid cold drafts.

HabitTrailing or pendant epiphyte with long, slender, hanging stems and narrow, soft succulent leaves.

Mature SizeStems can grow up to 1-2 meters (3-6 feet) long when mature.

Growth RateModerate grower under ideal conditions.

BloomingProduces fragrant, white, star-shaped flowers in clusters, typically in late summer or early fall.

DormancySlows growth in cooler months; reduce watering during dormancy.

MethodsStem cuttings

DifficultyModerate; rooting hormone can increase success rates.

Best SeasonSpring or early summer for best results.

PruningPrune to shape and encourage bushier growth; do not remove the spent flower spurs as new blooms arise from them.

RepottingRepot every 2-3 years or when rootbound, preferably in spring.

Pests & DiseasesSusceptible to mealybugs, spider mites, root rot if overwatered.

ToxicityNon-toxic to humans and pets.

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