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.

More in the Iochroma genus

Browse all Iochroma