Portlandia harrisii is a beautiful evergreen shrub native to Jamaica, featuring showy, trumpet-shaped, white flowers that bloom throughout the year.
At-a-glance light, water, soil, and growing conditions from plant data
Bright, indirect
75% intensity
Prefers bright, indirect light. Protect from intense, direct sunlight which can scorch leaves.
Moderate
50% intensity
Allow soil to dry slightly between waterings. Ensure good drainage.
Well-drained
50% intensity
Warm
75% intensity
Thrives in temperatures between 18-24°C. Protect from frost and sudden temperature drops.
Moderate
50% intensity
Feed with a balanced liquid fertilizer 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 |
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water Portlandia harrisii regularly, allowing the soil to dry slightly between waterings. Ensure good drainage to prevent waterlogging, which can lead to root rot.
Reduce watering frequency during cooler, dormant periods, but do not let the soil become completely dry. Consistent moisture is key for optimal growth and flowering.
Prune Portlandia harrisii lightly after flowering to maintain its shape and encourage bushier growth. Remove any dead, damaged, or crossing branches to improve air circulation and overall plant health.
Avoid heavy pruning, as it can reduce the number of blooms in the following season.
Propagate Portlandia harrisii from semi-hardwood cuttings taken in late spring or early summer. Dip the cuttings in rooting hormone and plant them in a well-draining potting mix.
Keep the cuttings moist and in a warm, humid environment until roots develop, which can take several weeks.
Repot Portlandia harrisii every 2-3 years, or when it becomes root-bound. Use a well-draining potting mix, such as a blend of peat moss, perlite, and compost.
Choose a pot that is only slightly larger than the current one to avoid overwatering issues. Repot in early 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
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Gentianales |
| Family | Rubiaceae |
| Genus | Portlandia |
| Species | Portlandia harrisii |
Similar in genus Portlandia
Answers based on plant encyclopedia data
