Pelargonium 'Rookley' (St/d)

RHS Plant Profile
geranium 'Rookley'

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geranium 'Rookley' RHS
Bedding Conservatory Greenhouse Houseplants

A bushy, evergreen perennial with distinct lobed leaves and double flowers on stems up to 25cm high. The double flowers appear in clusters in summer giving a ruffled appearance and are in shades of pale pink with a high proportion of dark pink marbling

Position

Full sun

Soil Types

Loam

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

Loam
Moisture
Moist but well–drained
pH
Acid or Neutral

Position

Full sun
Aspect
West–facing or East–facing or South–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
Evergreen
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
Accepted
Horticultural Group

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea

Stellar pelargoniums are compact Zonal types, with small leaves with pointed lobes, and star-shaped single or double flowers

How to Grow

Cultivation

Enjoys good light and frost-free conditions. A high potash feed encourages flowering in spring and summer. See Pelargonium cultivation

Propagation

Propagate by softwood cuttings in spring and summer

Suggested planting locations and garden types

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

Pruning

Cut back in spring if plants have become leggy. Deadhead regularly

Pests

May suffer from aphids in spring

Diseases

May suffer from grey moulds, Pelargonium rust and Pelargonium viruses