Alyogyne huegelii 'Santa Cruz'

RHS Plant Profile

lilac hibiscus 'Santa Cruz'

Shrubs Conservatory Greenhouse

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A fast-growing, evergreen shrub starting upright and spreading with age. The leaves are hairy, with five lobes and around 5cm long. Funnel-shaped, mauve-purple flowers 10cm across are produced singly from the leaf axils of young shoots from late spring to autumn

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

1.5-2.5 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 1.5-2.5 metres
Max Height: 1.5-2.5 metres

Growing Conditions

Chalk Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: West–facing or East–facing or South–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): H2
Drought Resistance: Yes

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Malvaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Bushy
Genus: Alyogyne are evergreen shrubs with simple or palmately lobed leaves and solitary, hibiscus-like flowers in the leaf axils
Name Status: Accepted

How to Grow

Cultivation

Under glass grow in free-draining compost in full light; plants can stand out in the summer. Outdoors grow in any well-drained soil in full sun, provided temperatures do not fall below freezing

Propagation

Root semi-ripe cuttings in late summer

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Mediterranean climate plants
Patio and container plants
Conservatory and greenhouse
Wall side borders

Pruning

Pruning group 9

Pests

May be susceptible to aphids, glasshouse red spider mite and glasshouse whitefly

Diseases

Generally disease-free