Overview
Diascia barberae is a matforming bedding in the genus Diascia, part of the Scrophulariaceae family, with semi evergreen foliage. Diascia barberae grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H3. Suggested uses include city and courtyard gardens, cottage and informal garden, patio and container plants and flower borders and beds.
About
Diascia barberae, called twinspur along with other members of its genus, is a species of flowering plant in the family Scrophulariaceae, native to South Africa and Lesotho. Its cultivar 'Blackthorn Apricot' has gained the Royal Horticultural Society's Award of Garden Merit.
Growing conditions
Best soil and position for Diascia
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H3
Plant details
Diascia barberae size, habit and characteristics
- Plant type
- Bedding, Herbaceous Perennial
- Habit
- Matforming
- Foliage
- Semi evergreen
- Suggested uses
- City and courtyard gardens, Cottage and informal garden, Patio and container plants, Flower borders and beds
Care notes
Pruning and caring for Diascia barberae
- Propagation
- Seed, softwood cuttings in spring, semi-ripe cuttings in summer
- Pest resistance
- Slugs and snails may be a problem
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Diascia barberae?
Diascia barberae prefers full sun. It suits sheltered positions.
What soil does Diascia barberae need?
Diascia barberae grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.
Is Diascia barberae hardy in the UK?
Diascia barberae 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 Diascia barberae?
Seed, softwood cuttings in spring, semi-ripe cuttings in summer.
More in the Diascia genus
- Diascia 'Rosa'twinspur 'Rosa'
- Diascia Sun Chimes Red ('Codiared')twinspur [Sun Chimes Red]
![Diascia Sun Chimes Red ('Codiared') — twinspur [Sun Chimes Red]](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f2/Diascia_x_hybrida_Sun_Chimes_Red_0zz.jpg/960px-Diascia_x_hybrida_Sun_Chimes_Red_0zz.jpg)
- Diascia rigescens 'Forge Cottage' (v)twinspur 'Forge Cottage'

- Diascia 'Candy Floss'twinspur 'Candy Floss'
- Diascia 'Diascot'twinspur 'Diascot'
- Diascia 'Strawberry Sundae'twinspur 'Strawberry Sundae'
- Diascia 'Summer Delight'twinspur 'Summer Delight'
- Diascia Apricot Delight ('Codicot') (Sun Chimes Series)twinspur [Apricot Delight]