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ShrubsSynonym

Hibiscus Full Blast

hibiscus 'Resi'

'Resi' is an upright shrub or small tree up to 5m high, with deciduous green leaves with three or five lobes, and large single flowers which are usually lilac-pink but sometimes white, in both cases with dark red centres and cream stamens. From midsummer to mid-autumn, bees may visit for pollen.

Synonyms

Hibiscus Full Blast

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Ultimate height

4–8 metres

Time to ultimate height

5–10 years

Ultimate spread

1.5–2.5 metres

Loam

Sand

Moisture

Well–drained

pH

Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

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)

Botanical details

Family: Malvaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Columnar upright
Genus: Hibiscus can be deciduous or evergreen shrubs, trees, annuals or perennials, with simple or palmately lobed leaves and large, funnel-shaped flowers over a long flowering season
Name status: Accepted

How to grow

Cultivation

Grow in neutral, well-drained soil in full sun, in a warm position such as a south-facing or west-facing wall to encourage flowering, and protect roots in winter with an organic mulch

Propagation

Propagate by softwood cuttings in late spring, by semi-ripe cuttings in summer, or by layering in spring or autumn; propagation for resale is prohibited without a licence

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Low Maintenance
Flower borders and beds
Wall side borders

Pruning

Pruning group 1 (little or no pruning of trees and shrubs)

Pests

May be susceptible to aphids, scale insects, mealybugs and glasshouse whitefly when grown under glass

Diseases

May be susceptible to honey fungus (rarely) and powdery mildews

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