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Begonia annulata 'Karma Khonoma'

leaf-ring begonia 'Karma Khonoma'

A rhizomatous perennial, to around 30cm high, with an upright habit and asymmetric, bicoloured leaves with dark greenish-bronze centres and margins, and a broad band of light green with white spots in between. Loose clusters of white flowers are produced in summer

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Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Loam

Moisture

Moist but well–drained, Well–drained

pH

Acid, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Partial shade

Aspect

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)

H1B

Botanical details

Family: Begoniaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Bushy
Genus: Begonia can be annuals, evergreen or deciduous perennials or shrubs, with fibrous, tuberous or rhizomatous roots and usually asymmetrical leaves, often strikingly patterned, and small or large flowers, both male and female in the same cluster
Name status: Unresolved

How to grow

Cultivation

Grow under glass or overwinter indoors. Thrives in fertile, well-drained, neutral to slightly acidic loam, with protection from hot afternoon sun. Water moderately in growth, and sparingly in winter; will not tolerate waterlogging. Pot on annually in spring. For more advice see begonias: houseplants

Propagation

Propagate by basal softwood cuttings

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Houseplants
Patio and container plants
Bedding
Conservatory and greenhouse

Pruning

No pruning required

Pests

May be susceptible to caterpillars, mealybugs, mites, thrips, vine weevil and aphids

Diseases

May be susceptible to grey moulds (botrytis), powdery mildews and stem rot

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