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A picture of a Cape Primrose

Cape Primrose

Streptocarpus rexii

Also known as

Wild Gloxinia, Twin Sisters

Streptocarpus rexii by Salix (CC BY-SA 3.0)

Full Shade
Moderate care
Moderate watering
Tender

H1c

RHS hardiness

5°C

Minimum temperature

Expected size

Height
Spread

30cm

Max

50cm

15cm

Min

20cm

Flowering

  • spring
  • summer
  • autumn
  • winter

This plant has no fragrance

More images of Cape Primrose

Streptocarpus rexii
Streptocarpus rexii flower
Streptocarpus capsule and seeds
Streptocarpus rexii
Streptocarpus leaf cuttings

Cape Primrose Overview

With its pretty tubular flowers the Cape Primrose is a great addition to any temperate garden, an ideal indoor shade plant and a beautiful pot plant. These flowers that bloom a large part of the year grows naturally on trees or rocks and occur in small populations in forests and cliffs above the sea. Not only can this plant be used as a decorative house plant, but it also serves as a beautiful ground cover and is used in traditional medicinal applications.

Common problems with Cape Primrose

Pests include worms, aphids and mealybugs. Diseases include root rot

Cape Primrose Companion Plants

Ferns

How to harvest Cape Primrose

Make excellent cut flowers, although they may not have the longest stem. They last well. Cut flowers at the base of the stem as soon as the flowers start blooming.

How to propagate Cape Primrose

Seed

Sowing time is in Spring. Sow very shallow. Germination time takes 3-4 weeks.

Cuttings

Leaf cuttings taken in spring and early summer. Select young lush green cutting material from the centre of the plant. Plantlets will form along the base in 1-3 months.

Division

Special features of Cape Primrose

Indoor plant

Makes a perfect indoor plant as long as you ensure that a warm spot with good light is provided indoors but no direct sunlight.

Drought resistant

Has the ability to reduce leaf size, form an abscission layer, or wilt severely during drought, thus reducing stress and water loss, from which it recovers completely when favorable conditions return.

Pot plant

It makes beautiful pot plants.

Attracts useful insects

Insects such as long-tongued flies, butterflies, probably long-tongued moths and bees.

Other uses of Cape Primrose

Decorative house plant.

Medicinal

Used in traditional Zulu medicine, where leaf infusions are drunk to ease birth pains.