Overview
Iochroma calycinum is a bushy herbaceous perennial in the genus Iochroma, part of the Solanaceae family, with deciduous, semi evergreen foliage. Iochroma calycinum grows best in full sun, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H3. Suggested uses include city and courtyard gardens, cottage and informal garden and patio and container plants.
About
Iochroma calycinum is a bushy, herbaceous perennial cultivar within the Iochroma genus, which includes evergreen or deciduous shrubs and small trees with simple, pointed, oval leaves. This cultivar has deciduous to semi-evergreen foliage and thrives in full sun, ideally in a south- or west-facing, sheltered position. It prefers fertile, moist but well-drained loam or sandy soils across a range of pH levels. Suitable for city and courtyard gardens, as well as patios and containers, it flowers in spring and summer and is hardy to UK zone H3.
Growing conditions
Best soil and position for Iochroma
- Sunlight
- Full sun
- Soil type
- Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H3
Plant details
Iochroma calycinum size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Bushy
- Foliage
- Deciduous, Semi evergreen
- Suggested uses
- City and courtyard gardens, Cottage and informal garden, Patio and container plants
Care notes
Pruning and caring for Iochroma calycinum
- Propagation
- Propagate by root cuttings or propagate by seed sown in fine, well-draining potting compost. Place pots in a warm room in filtered sunlight - germination will normally take aroudn 6 weeks
- Pest resistance
- May be susceptible to glasshouse red spider mite, glasshouse whitefly and mealybugs
- Disease resistance
- May be susceptible to Fusarium wilt and verticillium wilt
Frequently asked questions
Where is the best place to plant Iochroma calycinum?
Iochroma calycinum prefers full sun. It suits sheltered positions.
What soil does Iochroma calycinum need?
Iochroma calycinum grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
Is Iochroma calycinum hardy in the UK?
Iochroma calycinum has an RHS hardiness rating of H3, meaning it is half-hardy, tolerating -5 to 1°C, and may need winter protection in colder areas.
How do I propagate Iochroma calycinum?
Propagate by root cuttings or propagate by seed sown in fine, well-draining potting compost. Place pots in a warm room in filtered sunlight - germination will normally take aroudn 6 weeks.