Hanging Plants
Hoya
Hoya carnosa
In short: Bright indirect light · low water needs · non-toxic to cats and dogs (ASPCA)
Waxy-leaved trailing vine that produces spectacular fragrant flower clusters. A rewarding collector plant with hundreds of species.
- Light
- Bright Indirect
- Water
- Low
- Humidity
- Average
- Growth
- Slow
- Mature size
- Trails or climbs 4-8 feet
- Temperature
- 55–85°F (13–29°C)
Spring-Summer · Produces stunning clusters of 15-40 star-shaped waxy flowers. Each cluster lasts 2-3 weeks. Flowers may produce sweet nectar. Plants need maturi...
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Overview
Hoya: The Wax Plant
Hoyas are trailing or climbing vines with thick, waxy leaves and spectacular clusters of star-shaped, often fragrant flowers. Once you own one Hoya, you will want them all — they are famously collectible.
Flower Reward
The porcelain-like flower clusters are worth the wait. They look like they are made of wax or sugar, often produce nectar droplets, and fill a room with sweet fragrance — especially at night.
Popular Species
- Carnosa: Classic with pink flower clusters
- Kerrii: Heart-shaped leaves (sweetheart plant)
- Pubicalyx: Splash-patterned leaves, vigorous grower
- Compacta: Curled, rope-like leaves (Hindu Rope)
Semi-succulent and surprisingly drought-tolerant, Hoyas are lower-maintenance than they look.
Watering
Allow soil to dry out between waterings. Semi-succulent leaves store water, so err on the dry side. Water thoroughly when you do water, then let drain completely. Every 7-10 days in summer, every 2-3 weeks in winter. Slightly drying actually encourages flowering.
Light
Bright indirect light for best growth and flowering. Some direct morning sun is beneficial. East or south-facing window ideal. Too little light = no flowers. Variegated types need more light.
Soil
Very well-draining, airy mix. Orchid bark, perlite, and potting soil in equal parts. As semi-epiphytes, they need air around their roots. Standard potting soil is too dense.
Fertilizing
Feed monthly during spring and summer with balanced fertilizer. A bloom-boosting formula with higher phosphorus encourages flowering. Stop in fall/winter.
Propagation
Stem cuttings with 2-3 nodes root easily in water, perlite, or sphagnum moss. Roots appear in 3-6 weeks. Can also propagate by layering — pin a vine to soil and it roots at nodes.
Repotting
Every 2-3 years. Hoyas prefer being root-bound — tight roots actually encourage blooming. Use a pot with excellent drainage. Disturb roots minimally.
Common problems
No flowers: Needs maturity, bright light, and root-bound conditions. Patience!
Wrinkled leaves: Underwatered — give a thorough soak.
Yellow leaves: Overwatering — let dry more.
Leaf drop: Cold drafts or temperature shock.
Pro tips
Never remove flower spurs: The short stalks (peduncles) where flowers bloom will produce flowers again and again. Cutting them means no more blooms from that spot.
Root-bound = blooms: Do not rush to repot. Snug roots trigger flowering.
Night fragrance: Many Hoya flowers are most fragrant at night — place in a bedroom for evening perfume.
FAQ
Hoya questions
Starter kit
Get set up for your Hoya
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The basics
Extras for your Hoya
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Free care tools
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