Sweetheart hoya care guide
Hoya kerrii
Also known as: Sweetheart plant, Valentine hoya
Pets and children
We haven't been able to confirm how this plant affects pets or small children. If any is eaten, consult a veterinarian or a doctor.
How often to water Sweetheart hoya
- Spring–Summer (Mar–Sep)
- Every 10 days
- Its fleshy leaves store water, so as a guide water only a few days after the soil has dried out completely.
- Autumn (Oct–Nov)
- Every 14 days
- Water about a week after the soil dries.
- Winter (Dec–Feb)
- Every 3 weeks
- Keep it mostly dry, watering lightly about every three weeks on a mild day.
Light and placement for Sweetheart hoya
A bright window out of direct sun is generally best; with too little light the leaves thin and fade and growth stops, while strong midsummer sun yellows and scorches them.
Overwintering Sweetheart hoya
Overwintering guide: 5°C (41°F) or above
Move it to a warm room when nights fall below about 10°C; kept fairly dry it tolerates roughly 5°C, but keep the leaves from touching a cold windowpane.
Fertilizing and repotting Sweetheart hoya
Fertilizer
Diluted liquid feed about once a month from May to September; it grows slowly, so keep doses small and give none in winter.
When to repot
Spring–Summer (Mar–Sep)
Common problems with Sweetheart hoya
- Overwatering rots the leaf from its base.
- A single-leaf cutting has no node, so it may sit for years without growing.
- In a dark spot the leaves thin and wrinkle.
Tips for growing Sweetheart hoya
- If you want it to vine, choose a plant that has a stem with nodes.
- Watering once the leaf starts to wrinkle is about the right rhythm.
- Use a fast-draining mix and a pot on the small side.
These are AI-generated general guidelines. They vary with the variety, the placement and the pot size. For effects on pets or children, consult a veterinarian or a doctor.
Keep your plant log going
Greenery is a free app that keeps your plant care going, with watering reminders and photo records. Available on iOS and Android.
