Heuchera 'Sweet Caroline' (Fox Series)

RHS Plant Profile

alum root 'Sweet Caroline'

Herbaceous Perennial

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A mound-forming, semi-evergreen perennial spreading to 45cm wide. Its bright, yellow and green foliage deepens to lime green in summer and takes on a silver cast in autumn and winter. Flower stems to 25cm tall bear salmon-pink flowers in summer

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Loam Sand

Moisture: Moist but well–drained
pH: Neutral

Position

Full sun Partial shade

Aspect: North–facing or East–facing or South–facing or West–facing
Exposure: Exposed or 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): H6
Drought Resistance: Yes

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Saxifragaceae
Native to GB/Ireland: No
Foliage: Semi evergreen
Habit: Clump forming
Genus: Heuchera are more or less evergreen, clump-forming perennials with attractive, rounded, shallowly palmately lobed leaves and racemes or panicles of small, tubular flowers, often with colourful calyces
Name Status: Accepted

How to Grow

Cultivation

Grow in fertile, moist, but well-drained soil in sun or partial shade. If the soil is moist, a shadier position may be tolerated. To prevent the rhizomes rising to the surface, mulch annually and divide every few years

Propagation

Propagate by division; plants should be divided regularly. Lift the plant once in spring growth, taking small vigorous sections from around the edge. Each section should have good roots and 2-3 shoots

Suggested planting locations and garden types

Cottage and informal garden
Patio and container plants
Banks and slopes
Flower borders and beds
Ground cover
Underplanting of roses and shrubs
Cut flowers

Pruning

Remove any dead leaves and deadhead

Pests

May be susceptible to leaf and bud eelworms and vine weevil

Diseases

May be susceptible to heuchera rust