Overview

Diascia 'Summer Delight' is a matforming bedding in the genus Diascia, part of the Scrophulariaceae family, with semi evergreen foliage. Diascia 'Summer Delight' 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 'Summer Delight' (twinspur 'Summer Delight') is a semi-evergreen, mat-forming perennial from the genus Diascia, known for its dense mats of tidy leaves and racemes of cup-shaped blooms with two short spurs. This cultivar thrives in full sun on a south-facing, sheltered aspect with fertile, moist but well-drained loam soil of neutral pH. Hardy to UK zone H3, it is suitable for city and courtyard gardens, cottage and informal gardens, patios, containers, and flower borders. 'Summer Delight' provides seasonal interest throughout summer and autumn.

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 'Summer Delight' 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 'Summer Delight'

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 'Summer Delight'?

Diascia 'Summer Delight' prefers full sun. It suits sheltered positions.

What soil does Diascia 'Summer Delight' need?

Diascia 'Summer Delight' grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.

Is Diascia 'Summer Delight' hardy in the UK?

Diascia 'Summer Delight' 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 'Summer Delight'?

Seed, softwood cuttings in spring, semi-ripe cuttings in summer.

More in the Diascia genus

Browse all Diascia