Not the plant you're looking for? Search over 300,000 plants

BeddingConservatory GreenhouseHouseplants

Pelargonium 'Gemma Jewel' (R)

geranium 'Gemma Jewel'

A compact plant to 30cm in height, with clusters of large, slightly frilled flowers, the upper petals deep reddish-purple with pale margins, the lower petals pinkish-white with a purple blotch at base

Save to My plants

Ultimate height

0.1–0.5 metres

Time to ultimate height

1–2 years

Ultimate spread

0.1–0.5 metres

Loam

Sand

Moisture

Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Partial shade

Aspect

South–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 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: Regal pelargoniums are evergreen perennials or subshrubs, bushy in habit, with rounded, often lobed leaves and usually single flowers to 4cm across, borne in clusters in late spring and into summer, in shades of pink, red, orange and purple or white

How to grow

Cultivation

Grow in fertile well-drained soil in partial shade. Remove spent flowers. To overwinter, grow small plants in late summer from cuttings. See Pelargonium cultivation for further advice.

Propagation

Take softwood cuttings in summer and overwinter plants in frost free conditions or take softwood cuttings in spring

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

vine weevil, leafhoppers, caterpillars, thrips, fungus gnats and aphids can be troublesome. Glasshouse whitefly can be troublesome

Diseases

May be susceptible to foot and root rots in wet soils, grey moulds and a virus

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.