Also known as Japanese Boxthorn · Japanese Serissa · Seribu Bintang
Serissa japonica, the Snowrose, is an evergreen shrub prized for its delicate, white, star-shaped flowers that bloom profusely throughout the year, especially in warmer m
At-a-glance light, water, soil, and growing conditions from plant data
Bright Indirect Light
75% intensity
Prefers bright, indirect sunlight. Can tolerate some direct morning sun but avoid harsh afternoon sun which can scorch leaves.
Consistent Moisture
75% intensity
Keep soil evenly moist, but avoid waterlogged conditions. Allow topsoil to dry slightly between waterings.
Well-drained
50% intensity
Average to Warm
50% intensity
Thrives in average room temperatures between 18-24°C. Protect from frost and sudden temperature drops.
Regular Feeding
50% intensity
Feed with a balanced liquid fertilizer diluted to half strength every 2-4 weeks during the growing season.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | No |
Non-toxic
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Keep the soil consistently moist but not waterlogged, especially during the growing season. Allow the top 2-3 cm of soil to dry out slightly between waterings. Reduce watering in winter to prevent root rot.
Ensure good drainage to avoid soggy conditions which Serissa japonica dislikes.
Prune Snowrose regularly to maintain its shape and encourage denser growth and more blooms. Lightly prune after flowering to shape and remove spent flowers.
For more drastic reshaping or to control size, prune in early spring before new growth begins. Remove any dead or crossing branches.
Snowrose can be propagated from semi-hardwood cuttings taken in late spring or early summer. Dip the cut end in rooting hormone and plant in a well-draining potting mix.
Keep the cuttings consistently moist and warm, and they should root within a few weeks. Protect from direct sun.
Repot your Serissa japonica every 2-3 years, or when it becomes root-bound. The best time to repot is in early spring before new growth starts.
Use a well-draining potting mix and a pot that is only slightly larger than the current one to avoid overwatering issues.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Snowrose (Serissa japonica)
Where Snowrose (Serissa japonica) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Gentianales |
| Family | Rubiaceae |
| Genus | Serissa |
| Species | Serissa japonica |
Answers based on plant encyclopedia data
