Sanicula epipactis 'Thor' (v)

RHS Plant Profile

sanicle 'Thor'

Other common names

hacquetia 'Thor'

Synonyms

Epipactis 'Thor'
Hacquetia epipactis 'Thor'
Hacquetia epipactis 'Variegata'

Alpine Rockery Herbaceous Perennial

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A low-growing, clump-forming perennial. The tiny yellow flowers appear in winter before the leaves, but surrounded by variegated pale green and white bracts. The leaves have narrow white margins

Position

Partial shade

Soil Types

Clay, Loam, Sand

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 5–10 years
Max Spread: 0.1-0.5 metres
Max Height: Up to 10 cm

Growing Conditions

Clay Loam Sand

Moisture: Moist but well–drained
pH: Acid or Neutral

Position

Partial shade

Aspect: North–facing or East–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): H7

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Apiaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Clump forming
Genus: Sanicula are a genus of woodland perennial herbs growing to around 60cm high. The lobed leaves are green and glossy and small pinkish flowers appear from tight umbels, followed by bristly fruits that stick to animal fur or clothing, which are distributed freely this way.
Name Status: Accepted

How to Grow

Cultivation

Grow in humus-rich, moist but well-drained neutral to acid soil in partial shade. Suitable for a woodland garden

Propagation

Propagate by seed, division in spring or root cuttings

Suggested planting locations and garden types

Rock garden
Underplanting of roses and shrubs

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free