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Herbaceous PerennialBedding

Dahlia 'Kiwi Gloria' (C)

dahlia 'Kiwi Gloria'

A cultivar to 1.1m tall with white flowers suffused with pale pink and pale purple between 10 and 15cm in diameter

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Ultimate height

1–1.5 metres

Time to ultimate height

1–2 years

Ultimate spread

0.5–1 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or East–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)

Botanical details

Family: Asteraceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Columnar upright
Genus: Dahlia are tuberous rooted perennials with pinnately divided leaves and showy flowerheads, double in many cultivars, in summer and autumn
Name status: Accepted
Horticultural Group: Cactus dahlias have fully double blooms, the florets are usually pointed, narrow and revolute for 65% or more of their length and either straight or incurving

How to grow

Cultivation

Grow in full sun, in fertile, humus-rich, well-drained soil enriched with organic matter and general-purpose fertiliser. Pinch out growing tips to encourage bushy plants. Water freely in dry periods. Lift and store tubers in autumn to replant, or use as a source of cuttings, in spring. See dahlia cultivation and our video How to plant dahlia tubers and care tips

Propagation

Propagate by basal softwood cuttings taken in spring from shoots produced by stored tubers, or divide the tubers ensuring that each division has a viable bud

Suggested planting locations and garden types

Cottage and informal garden
Patio and container plants
Flower borders and beds
Cut flowers

Pruning

Deadhead to prolong flowering. Cut back to near ground level in autumn before lifting and storing for winter or mulching in milder locations

Pests

Aphids, capsid bugs, earwigs, slugs, glasshouse red spider mite and onion thrips

Diseases

May be susceptible to a virus, and tubers may rot in storage

Get involved

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