Pelargonium transvaalense

RHS Plant Profile
Transvaal geranium

Save a plant

Where do you want to save Pelargonium transvaalense?

Plants I own
Wishlist
Go to My Plants
Transvaal geranium RHS
Transvaal geranium RHS
Conservatory Greenhouse Bedding
Buy this from Plant Nurseries
2 Suppliers

A deciduous, tuberous perennial, to 80cm tall, with 5-lobed, hairy leaves, often zoned with dark purple markings, and sprays of pink flowers with red veins

Position

Full sun, Partial shade

Soil Types

Loam

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Loam
Moisture
Well–drained
pH
Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or 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

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Geraniaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
Pelargonium can be perennials, sub-shrubs or shrubs, sometimes succulent and mostly evergreen, with palmately lobed or pinnately divided leaves and clusters of slightly irregular, 5-petalled flowers
Name Status
Correct
Plant Range
S Africa

How to Grow

Cultivation

Good for outdoor display once risk of frost is past. See pelargonium cultivation

Propagation

Propagate by seed or by softwood cuttings

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Mediterranean climate plants
  • Patio and container plants
  • Flower borders and beds

Pruning

Deadhead regularly

Pests

May be susceptible to aphids in spring

Diseases

May be susceptible to Pelargonium rust and Pelargonium viruses