Overview
Eranthemum is a shrub conservatory greenhouse in the genus Eranthemum, part of the Acanthaceae family, with evergreen foliage. Eranthemum grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H1b. Suggested uses include conservatory and greenhouse.
About
Eranthemum is a genus of evergreen shrubs or perennials known for their simple, opposite leaves. This cultivar thrives in a conservatory or greenhouse setting, favouring full sun with a south-facing, sheltered aspect. It prefers fertile, moist but well-drained loam soil with a neutral pH. Flowering occurs in spring and summer, producing tubular flowers with five lobes arranged in terminal or axillary spikes or panicles. It is hardy to UK zone H1b and is best propagated by cuttings.
Growing conditions
Best soil and position for Eranthemum
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H1b
Plant details
Eranthemum size, habit and characteristics
- Plant type
- Conservatory Greenhouse, Shrubs
- Habit
- Shrub
- Foliage
- Evergreen
- Suggested uses
- Conservatory, greenhouse
Care notes
Pruning and caring for Eranthemum
- Propagation
- Cuttings
- Pest resistance
- Not specified
- Disease resistance
- Not specified
Frequently asked questions
Where is the best place to plant Eranthemum?
Eranthemum prefers full sun. It suits sheltered positions.
What soil does Eranthemum need?
Eranthemum grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.
Is Eranthemum hardy in the UK?
Eranthemum has an RHS hardiness rating of H1b, meaning it needs subtropical warmth of 10–15°C and must be grown under glass in the UK.
How do I propagate Eranthemum?
Cuttings.