Also known as Blister Bush · Cape Leadwort · Cape Plumbago
Blue plumbago (Plumbago auriculata) is a vigorous evergreen shrub or climber producing clusters of sky-blue, five-petaled flowers, ideal for warm climates.
At-a-glance light, water, soil, and growing conditions from plant data
High
75% intensity
Prefers full sun for best flowering, tolerates partial shade.
Moderate
50% intensity
Keep soil consistently moist during growth, reduce in winter.
Well-drained
50% intensity
Moderate
50% intensity
Ideal temperatures are between 18-24°C. Protect from frost.
Outdoor
50% intensity
Moderate
50% intensity
Feed during growing season, reduce in cooler months.
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
Water regularly during the growing season, keeping the soil consistently moist but not waterlogged. Reduce watering in winter, allowing the soil to dry out slightly between waterings.
Good drainage is crucial to prevent root rot. Overwatering can lead to yellowing leaves.
Prune annually in late winter or early spring to shape the plant and encourage bushier growth. Remove dead or weak stems.
Pinching back young shoots will promote a more compact and floriferous habit throughout the season. Deadhead spent flowers to prolong blooming.
Easily propagated from semi-hardwood cuttings taken in summer or from seed sown in spring. Cuttings should be rooted in a well-draining potting mix. Seeds may require stratification and patience to germinate.
Softwood cuttings can also be successful.
Repot every 2-3 years or when the plant becomes root-bound, typically in early spring before new growth begins. Use a well-draining potting mix. Increase pot size gradually to avoid waterlogged conditions.
Fresh soil revitalizes the plant.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Blue Plumbago (Plumbago auriculata)
Where Blue Plumbago (Plumbago auriculata) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Caryophyllales |
| Family | Plumbaginaceae |
| Genus | Plumbago |
| Species | Plumbago auriculata |
Similar in genus Plumbago
Answers based on plant encyclopedia data
