Overview
Crossandra is a bushy houseplants in the genus Crossandra, part of the Acanthaceae family, with evergreen foliage. Crossandra grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H1a. Suggested uses include patio and container plants.
About
Crossandra is a genus of evergreen perennials or shrubs in the Acanthaceae family, known for their bushy habit and lanceolate leaves arranged in pairs or whorls. These plants produce cone-shaped flower spikes with distinctive bracts and salver-form flowers, typically blooming in spring and summer. Suited to full sun and a sheltered, south-facing aspect, Crossandra thrives in fertile, well-drained loam soil with a neutral pH. Often grown as houseplants or in conservatory greenhouses, they are ideal for patio and container planting in the UK, requiring protection as they are hardy to H1a. Propagation is by semi-hardwood cuttings.
Growing conditions
Best soil and position for Crossandra
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H1a
Plant details
Crossandra size, habit and characteristics
- Plant type
- Houseplants, Conservatory Greenhouse
- Habit
- Bushy
- Foliage
- Evergreen
- Suggested uses
- Patio and container plants
Care notes
Pruning and caring for Crossandra
- Propagation
- Semi-hardwood cuttings
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Crossandra?
Crossandra prefers full sun. It suits sheltered positions.
What soil does Crossandra need?
Crossandra grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Crossandra hardy in the UK?
Crossandra has an RHS hardiness rating of H1a, meaning it needs tropical warmth above 15°C and must be grown under glass in the UK.
How do I propagate Crossandra?
Semi-hardwood cuttings.