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Conservatory GreenhouseHerbaceous Perennial

Pelargonium 'The Boar' (Z/C/Fr)

geranium 'The Boar'

A compact, bushy herbaceous perennial with lax trailing stems to 40cm tall; rounded, purple-centred leaves and lax clusters of single, salmon-pink flowers in spring and summer

Synonyms

Pelargonium tomentosum 'The Boar'

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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

Sand

Moisture

Moist but well–drained

pH

Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

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: 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

Under glass grow in a loamless, or well drained, loam based compost (JI No 2) in full light but with protection from hot sun. Water moderately when the plant is in active growth and feed with a balanced fertiliser in spring, switching to a high potash fertiliser from early summer until autumn. Outside, grow in a neutral to alkaline soil in full sun. Lift in the autumn and keep plants dry, in bright light and frost free conditions until the spring. See Pelargonium cultivation for further advice.

Propagation

Take softwood cuttings in spring, late summer or early autumn

Suggested planting locations and garden types

Patio and container plants
Cottage and informal garden
hanging basket
Conservatory and greenhouse

Pruning

Cut back top growth by up to two thirds and repot overwintering plants as they are resuming new growth in the late winter/early spring

Pests

May be susceptible to vine weevils, leaf hoppers, aphids, root mealybugs, caterpillars, western flower thrips, sciarid flies

Diseases

May be susceptible to grey mould and black leg

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