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Conservatory GreenhouseBedding

Pelargonium 'Grandad Mac' (Dw/St)

geranium 'Grandad Mac'

A compact, semi-double stellar hybrid bearing narrow petals in a salmon shade. Its green leaves, typically palmate-shaped have a darker brownish purple central blotch

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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
Moisture
Well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Orange Pink Green Purple
Summer Orange Pink Green Purple
Autumn Green Purple
Winter Green Purple
Position
  • Full sun
Aspect

South–facing or East–facing or West–facing

Exposure
Sheltered
Hardiness
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
Dwarf pelargoniums are compact Zonal types, a little larger than Miniatures, and growing to 20cm, with single or more typically double flowers; well suited to containers

How to grow

Cultivation

Requires frost-free conditions. Feed regularly in the growing season with a high potash fertiliser to encourage flowering. See pelargonium cultivation

Propagation

Propagate by cuttings of non-flowering shoots in spring and summer

Suggested planting locations and garden types
  • Patio and container plants
  • City and courtyard gardens
  • Mediterranean climate plants
Pruning

Deadhead regularly to encourage more flowers

Pests

Generally pest-free, but may be susceptible to aphids

Diseases

Generally disease-free, but may be susceptible to pelargonium rust and pelargonium viruses

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