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Streptocarpus 'Dolina' (d)

Cape primrose 'Dolina'

A clump-forming, rhizomatous tender perennial with a basal rosette of long, mid to dark green, veined and wrinkled leaves. Produces clusters of large, ruffled double flowers that are blue on the upper petals with lower petals showing dark purple veining from the centre to the edges, from spring to autumn

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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

Loam

Moisture

Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Partial shade

Aspect

West–facing or East–facing

Exposure

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)

H1C

Botanical details

Family: Gesneriaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Clump forming
Genus: Streptocarpus can be annuals, perennials or subshrubs, with usually wrinkled, lance-shaped to rounded leaves and clusters of tubular to trumpet-shaped flowers with 5 spreading lobes, often borne throughout the year
Name status: Accepted

How to grow

Cultivation

Grow as a houseplant in free-draining compost on an east or west-facing windowsill, or grow in a temperate or warm greenhouse in bright filtered light with shade from hot sun. Water sparingly as compost dries in winter and in the growing season water freely allowing compost to dry out between waterings; feed fortnightly with a high-potassium fertiliser. See Streptocarpus cultivation

Propagation

Propagate by seed, by division of clumps in spring, or by leaf cuttings in spring or summer

Suggested planting locations and garden types

Houseplants
Patio and container plants
Conservatory and greenhouse

Pruning

Remove spent flower stems at the base, and remove damaged leaves as required

Pests

May be susceptible to glasshouse leafhoppers, mealybugs, thrips, vine weevil and tarsonemid mite

Diseases

May be susceptible to grey moulds (botrytis) or powdery mildews

Get involved

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