Not the plant you're looking for? Search over 300,000 plants

Conservatory GreenhouseHouseplants

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

Save to My plants

Ultimate height

0.1–0.5 metres

Time to ultimate height

1–2 years

Ultimate spread

0.1–0.5 metres

Loam

Sand

Moisture

Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or West–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

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: 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.