Hylotelephium erythrostictum 'Frosty Morn' (v)

RHS Plant Profile

stonecrop 'Frosty Morn'

RHS

Synonyms

Sedum 'Frosty Morn', Sedum alboroseum 'Frosty Morn', Sedum erythrostictum 'Frosty Morn'

Herbaceous Perennial

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A clump-forming deciduous perennial to 40cm tall, with rounded leaves broadly margined with white, and flat clusters of small white flowers with prominent pink carpels, in late summer

Position

Full sun

Soil Types

Chalk, 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

Chalk Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Alkaline or Neutral

Position

Full sun

Aspect: West–facing or South–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): H5

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Crassulaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Hylotelephium are succulent perennials with heads of small star-shaped flowers in summer to autumn. They are sometimes included within the genus Sedum
Name Status: Accepted

How to Grow

Cultivation

Grow in a well-drained soil in full sun. Low soil fertility is ideal. In a rich soil, plants tend to splay outwards and not flower so well. See hylotelephium cultivation for further advice

Propagation

Propagation is by division, or leaf or stem cuttings in spring and early summer

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Gravel garden
Patio and container plants
Garden edging
Flower borders and beds

Pruning

Cut back to ground level in autumn as foliage fades

Pests

slugs, snails and aphids are the main pest problems

Diseases

Powdery mildew can be a problem especially on rich, damp soils