Pelargonium 'Cynthia'PBR (R)

RHS Plant Profile
geranium 'Cynthia'
geranium 'Cynthia' visionspictures.com
Bedding Conservatory Greenhouse

A tender evergreen perennial, with a bushy habit and shallowly lobed green leaves with serrated edges. Produces clusters of pale pink flowers, with deep reddish-pink blotches at the base of the petals, from early summer to early autumn

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or West–facing
Exposure
Sheltered
Hardiness
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
Regal pelargoniums are evergreen perennials or subshrubs, bushy in habit, with rounded, often lobed leaves and usually single flowers to 4cm across, borne in clusters in late spring and into summer, in shades of pink, red, orange and purple or white

How to Grow

Cultivation

May be planted outdoors in beds, baskets and containers after all risk of frost has passed; young plants may need to be hardened off first. Grow in fertile, neutral to alkaline soil in sun or light shade, and overwinter indoors. See pelargonium cultivation for more detailed advice

Propagation

Propagate by softwood cuttings in spring or early autumn

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Bedding
  • Conservatory and greenhouse
  • Flower borders and beds

Pruning

Deadhead regularly

Pests

May be susceptible to vine weevil, glasshouse leafhopper, root mealybugs, aphids, caterpillars, thrips, fungus gnats and glasshouse whitefly

Diseases

May be susceptible to grey moulds, black leg, pelargonium rust and pelargonium viruses