Pelargonium 'Islington Peppermint' (Sc) | geranium 'Islington Peppermint'

RHS

Bedding Conservatory Greenhouse Houseplants

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A compact, bushy, evergreen perennial with rounded, velvety, bright-green, peppermint-scented foliage. Open sprays of small flowers, with dark red upper petals and creamy-white lower petals, are produced from late spring to early autumn

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Chalk Loam Sand

Moisture: Well–drained
pH: Alkaline or Neutral

Position

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
Drought Resistance: Yes

Colour & Scent

Fragrance Foliage

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

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

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea: Scented-leaved pelargoniums are evergreen shrubs or perennials with strongly aromatic foliage and small, single flowers in shades of pink, purple or white

How to Grow

Cultivation

Grow in neutral or alkaline, well-drained, moderately fertile soil in full sun. Deadhead regularly. Lift outdoor plants and keep in frost-free, well-lit conditions over winter. See pelargonium cultivation

Propagation

Propagate by softwood cuttings in spring, late summer and autumn

Suggested planting locations and garden types

Patio and container plants
City and courtyard gardens
Cottage and informal garden
Mediterranean climate plants

Pruning

Remove spent flowers and trim as required

Pests

May be susceptible to glasshouse whitefly, caterpillars, glasshouse leafhopper, aphids, vine weevil and root mealybugs

Diseases

Generally disease-free