Overview

Streptocarpus 'Blue Heaven' is a clump forming conservatory greenhouse in the genus Streptocarpus, part of the Gesneriaceae family, with deciduous foliage. Streptocarpus 'Blue Heaven' grows best in full sun and partial shade, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H1c. Suggested uses include houseplants and conservatory and greenhouse.

About

Streptocarpus 'Blue Heaven' is a clump-forming cultivar of the Streptocarpus genus, which includes annuals, perennials, and subshrubs known for their wrinkled, lanceolate or rounded leaves and clusters of tubular to trumpet-like flowers with five spreading lobes. This deciduous plant is suited to conservatories, greenhouses, and as a houseplant, thriving in bright indirect light with moist but well-drained soil. It prefers a sheltered position with full sun or partial shade and is hardy to UK zone H1c. 'Blue Heaven' is of interest from spring through autumn and can be propagated by leaf cuttings, seed, or division.

Growing conditions

Best soil and position for Streptocarpus

Sunlight
Full sun, Partial shade
Soil type
Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing, East-facing, West-facing
Exposure
Sheltered
UK hardiness
H1c

Plant details

Streptocarpus 'Blue Heaven' size, habit and characteristics

Plant type
Conservatory Greenhouse, Houseplants
Habit
Clump forming
Foliage
Deciduous
Suggested uses
Houseplants, Conservatory and greenhouse

Care notes

Pruning and caring for Streptocarpus 'Blue Heaven'

Propagation
Leaf cuttings, Seed, Division
Pest resistance
Aphids, Glasshouse leafhopper, Mealybug, Tarsonemid mites
Disease resistance
Botrytis, Powdery mildew

Frequently asked questions

Where is the best place to plant Streptocarpus 'Blue Heaven'?

Streptocarpus 'Blue Heaven' prefers full sun and partial shade. It suits sheltered positions.

What soil does Streptocarpus 'Blue Heaven' need?

Streptocarpus 'Blue Heaven' 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 Streptocarpus 'Blue Heaven' hardy in the UK?

Streptocarpus 'Blue Heaven' has an RHS hardiness rating of H1c, meaning it needs a warm, frost-free position of 5–10°C and is best grown under glass in the UK.

How do I propagate Streptocarpus 'Blue Heaven'?

Leaf cuttings, Seed, Division.

More in the Streptocarpus genus

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