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

Browse all Diascia