Sweetheart Plant Hoya kerrii
At a glance
- Light
- Bright indirect
- 5000–20000 lux
- Water
- Every 14–21 days
- Soil completely dry between waterings — succulent leaves store water
- Humidity
- 40–60%
- Tolerates dry air
- Temperature
- 18–27°C
- Ideal 21–27°C
- Soil pH
- 6–7
- fast-draining
- Mature size
- 60 cm tall
- 60 cm wide
- Native to
- Southeast Asia, Thailand, Vietnam, Cambodia
- Growth
- Slow
- Vining
Watering calculator
Estimate how often to water your Sweetheart Plant based on pot size, light, and season.
Always check the top 2 cm of soil before watering. Calculator output is an estimate, not a schedule.
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Compare with similar plants
| Trait | Sweetheart Plant Hoya kerrii | Hoya Hoya carnosa | Jade Plant Crassula ovata |
|---|---|---|---|
| Light | Bright indirect | Bright indirect | Direct sun |
| Water | 14–21 days | 10–14 days | 14–30 days |
| Pet safe | Pet-safe | Pet-safe | Toxic to cats and dogs |
| Difficulty | Easy | Easy | Very Easy |
| Mature size | 60 cm | 200 cm | 90 cm |
Light requirements in detail
Sweetheart Plant prefers bright indirect (5000–20000 lux) . A few hours of direct morning sun encourages growth and blooming; never move once buds form
A spot 1–2 meters from a bright east or south-facing window usually fits this range. Direct afternoon sun through unfiltered glass can scorch leaves; sheer curtains help diffuse it.
Watering in detail
Water Sweetheart Plant every 14– 21 days during the growing season, allowing Soil completely dry between waterings — succulent leaves store water to dry between waterings. Reduce frequency in winter when growth slows.
This plant tolerates the occasional missed watering — err on the dry side rather than overwater.
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Frequently asked questions about Sweetheart Plant
How often should I water Sweetheart Plant?
Water Sweetheart Plant every 14–21 days during the growing season, allowing Soil completely dry between waterings — succulent leaves store water to dry between waterings. Reduce frequency by 30–50% in winter.
What kind of light does Sweetheart Plant need?
Sweetheart Plant prefers bright indirect (5000–20000 lux). A few hours of direct morning sun encourages growth and blooming; never move once buds form
Is Sweetheart Plant toxic to cats?
Sweetheart Plant is non-toxic to cats according to the ASPCA Animal Poison Control Center. Mild stomach upset is still possible if a cat chews the leaves, but it will not cause poisoning.
Is Sweetheart Plant toxic to dogs?
Sweetheart Plant is non-toxic to dogs according to the ASPCA. Mild stomach upset is still possible if a dog chews the leaves.
How big does Sweetheart Plant grow?
Sweetheart Plant reaches about 60 cm tall and 60 cm wide at maturity. Growth rate is slow.