Overview
Streptocarpus 'Rob's Twinkle Blue' (AV/d) is a clump forming conservatory greenhouse in the genus Streptocarpus, part of the Gesneriaceae family, with deciduous foliage. Streptocarpus 'Rob's Twinkle Blue' (AV/d) 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 'Rob's Twinkle Blue' is a clump-forming cultivar of the Streptocarpus genus, which includes annuals, perennials, and subshrubs known for their wrinkled 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 to partial shade and grows best in temperatures between 15-25°C. It is hardy to UK zone H1c and flowers from spring through autumn.
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 'Rob's Twinkle Blue' (AV/d) 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 'Rob's Twinkle Blue' (AV/d)
- 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 'Rob's Twinkle Blue' (AV/d)?
Streptocarpus 'Rob's Twinkle Blue' (AV/d) prefers full sun and partial shade. It suits sheltered positions.
What soil does Streptocarpus 'Rob's Twinkle Blue' (AV/d) need?
Streptocarpus 'Rob's Twinkle Blue' (AV/d) 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 'Rob's Twinkle Blue' (AV/d) hardy in the UK?
Streptocarpus 'Rob's Twinkle Blue' (AV/d) 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 'Rob's Twinkle Blue' (AV/d)?
Leaf cuttings, Seed, Division.
More in the Streptocarpus genus
- Streptocarpus 'Black Panther'
- Streptocarpus 'Aca's Red Ember' (AV/v)
- Streptocarpus 'Aly's Rosy Baby' (AV)African violet 'Alys Rosy Baby'
- Streptocarpus 'Amanda Rose'
- Streptocarpus 'Athena'
- Streptocarpus 'Beryl'
- Streptocarpus 'Blackie Bryant' (AV)
- Streptocarpus 'Blue Angel'