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Pelargonium 'Irene Cal' (Z/d)

geranium 'Irene Cal'

'Irene Cal' is a bushy plant to 45cm with lightly zoned leaves and soft salmon-pink, semi-double flowers

Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Pink Green
Summer Pink Green
Autumn Green
Winter Green
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H1C
Botanical details
Family
Geraniaceae
Native to the UK
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
Zonal pelargoniums are bushy evergreen perennials with fleshy stems, rounded, palmately lobed leaves often zoned with maroon, and single or double flowers in shades of purple, red, pink, orange and white, from early to late summer

How to grow

Cultivation

Grow in fertile well-drained soil in full sun or partial shade. Remove spent flowers. To overwinter, grow small plants in late summer from cuttings or cut back old plants by one third and lift for storage in frost-free place to repot in spring when growth resumes. Further pelargonium cultivation advice

Propagation

Propagate by softwood cuttings in spring, late summer or early autumn

Suggested planting locations and garden types
  • Patio and container plants
Pruning

Deadhead regularly

Pests

May be susceptible to vine weevil, leafhoppers, caterpillars, thrips, fungus gnats and aphids

Diseases

May be susceptible to foot and root rots in wet soils, grey moulds, pelargonium rust and and a virus

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.