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Conservatory GreenhouseBedding

Pelargonium 'Imperial Butterfly' (A/Sc)

geranium 'Imperial Butterfly'

A very floriferous, compact cultivar with viola-shaped, large white flowers. The upper petals are centrally blotched and veined in pinkish-purple. Its lemon-scented leaves are an additional feature

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Ultimate height

0.1–0.5 metres

Time to ultimate height

1–2 years

Ultimate spread

0.1–0.5 metres

Loam

Moisture

Well–drained

pH

Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or West–facing or East–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 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: Angel pelargoniums are compact, bushy perennials with small, rounded leaves, sometimes scented, and clusters of small single flowers in shades of pink, red purple or white

How to grow

Cultivation

Best grown in pots. May be grown outdoors once risk of frost is passed. Feed in summer with high potash fertiliser to encourage flowering. See pelargonium cultivation

Propagation

Propagate by softwood cuttings in spring or summer

Suggested planting locations and garden types

City and courtyard gardens
Patio and container plants

Pruning

Deadhead regularly to encourage more flowers. Cut back in autumn if overwintering old plants

Pests

Generally pest-free, but may be susceptible to aphids

Diseases

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

Get involved

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