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Pelargonium ionidiflorum

celery-scented geranium

P. ionidiflorum is a bushy, somewhat spreading plant, to 50cm in height, with small, deeply-lobed, softly-hairy, celery-scented leaves. The flowers have red stems and narrow, rose-pink petals, and appear from mid-spring to mid-autumn

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Red Pink Green
Summer Green Red Pink Green
Autumn Green Red Pink Green
Winter Green
Position
  • Full sun
Aspect

South–facing or East–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

Correct

Plant range
South Africa (Cape)

How to grow

Cultivation

Under glass grow in full light with shade from hot sun and good ventilation. When in growth water moderately and apply a balanced liquid fertiliser in spring and early summer. A high potash fertiliser should be used when in flower. Water sparingly in winter. Can be grown outside in frost-free areas in a fertile soil. See also pelargonium cultivation

Propagation

Take softwood cuttings in spring or summer

Suggested planting locations and garden types
  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Patio and container plants
  • Flower borders and beds
Pruning

Deadhead regularly

Pests

Susceptible to vine weevil, caterpillars and thrips

Diseases

May be subject to grey moulds when grown under glass

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