Portlandia grandiflora, the Jamaican tree-lily, is a large, showy shrub native to Jamaica, producing fragrant, trumpet-shaped white flowers.
At-a-glance light, water, soil, and growing conditions from plant data
Bright, Indirect Light
75% intensity
Prefers bright, filtered light. Avoid direct afternoon sun, which can scorch leaves. Morning sun is acceptable.
Consistent Moisture
75% intensity
Maintain evenly moist soil, allowing the top layer to dry slightly between waterings. Ensure good drainage.
Well-drained
50% intensity
Warm
75% intensity
Thrives in warm temperatures between 18-27°C. Protect from frost and sudden temperature drops.
Monthly During Growth
50% intensity
Feed with a balanced liquid fertilizer diluted to half strength from spring through summer.
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. Water thoroughly when the top inch of soil feels dry. Reduce watering slightly during cooler months, but avoid letting the soil dry out completely.
Good drainage is crucial to prevent root rot.
Prune lightly after flowering to maintain shape and encourage bushier growth. Remove any dead, damaged, or crossing branches. Avoid heavy pruning, as this can reduce future blooms.
Propagate from semi-hardwood cuttings taken in summer. Dip the cuttings in rooting hormone and plant them in a well-draining potting mix.
Keep them consistently moist and warm, ideally with bottom heat, to encourage rooting.
Repot every 2-3 years or when the plant becomes root-bound. Use a well-draining potting mix. Choose a pot that is only slightly larger than the current one. Repot in spring before new growth begins.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Where Jamaican Tree-Lily (Portlandia grandiflora) 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 | Portlandia |
| Species | Portlandia grandiflora |
Similar in genus Portlandia
Answers based on plant encyclopedia data
