Erica terminalis 'Thelma Woolner'

RHS Plant Profile

Corsican heath 'Thelma Woolner'

Shrubs

An upright, bushy, evergreen shrub to around 75cm (30in), with needle-like, dark green foliage. From mid-summer to early autumn it produces many small, urn-shaped, deep lilac-pink flowers atop the branches. Flowers persist into winter, taking on a russet hue.

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 5–10 years
Max Spread: 0.5-1 metres
Max Height: 0.5-1 metres

Growing Conditions

Chalk Clay Loam Sand

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

Position

Full sun

Aspect: 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): H4

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Ericaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Bushy
Genus: Erica can be prostrate or erect, evergreen shrubs with fine, needle-like leaves in whorls, and racemes or panicles of small, bell-shaped or tubular flowers
Name Status: Accepted

How to Grow

Cultivation

Grow in well-drained, moderately fertile soil in full sun. Will tolerate alkaline soils. See also Hardy heathers cultivation.

Propagation

Propagate by semi-ripe cuttings in mid-to late autumn and by layering.

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Coastal
Mediterranean climate plants
Patio and container plants
Wildlife gardens
Low Maintenance
Flower borders and beds

Pruning

See pruning group 10

Pests

Generally pest-free

Diseases

May be susceptible to fungal diseases, including honey fungus (rarely), and Phytophthora root rot, in wet conditions