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Herbaceous Perennial

Diascia integerrima

entire-leaved twinspur

A vigorous, spreading, semi-evergreen perennial to around 35cm in height with narrow green leaves. Racemes of dark pink flowers appear in summer to autumn

Synonyms

Diascia integrifolia

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Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or East–facing or West–facing

Exposure

Exposed or Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Scrophulariaceae
Native to GB / Ireland: No
Foliage: Semi evergreen
Habit: Matforming
Genus: Diascia can be annuals or semi-evergreen perennials, usually making a mat of neat foliage with racemes of cup or bell-shaped flowers, usually in shades of pink, and each with two short spurs
Name status: Unresolved
Plant range: Temp S Africa

How to grow

Cultivation

Grow in fertile, moist but well-drained soil in full sun. Can be grown in a container; water in dry periods

Propagation

Propagate by seed sown as soon as ripe or in early spring or propagate by taking softwood cuttings in summer

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Patio and container plants
Rock garden
Flower borders and beds
Garden edging

Pruning

Deadhead to prolong flowering

Pests

May be susceptible to slugs and snails

Diseases

Generally disease-free

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