Hylotelephium sieboldii

RHS Plant Profile

October daphne

Other common names

October plant, Siebold's stonecrop

Synonyms

Hylotelephium sieboldii
Sedum sieboldii

Herbaceous Perennial Cactus Succulent

Buy this from Plant Nurseries
1 Suppliers

An herbaceous perennial forming a low, spreading clump to 10cm high and 20cm wide, with whorls of 3 rounded fleshy, grey, blue-green, leaves occasionally purple tinted and terminal clusters of star-shaped pink flowers in late summer and early autumn

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: Up to 10 cm

Growing Conditions

Chalk Loam Sand

Moisture: Well–drained
pH: Alkaline or Neutral

Position

Full sun Partial shade

Aspect: South–facing or West–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): H4
Drought Resistance: Yes

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Crassulaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Spreading branched
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: Correct

How to Grow

Cultivation

Grow in moderately fertile, well-drained soil in full sun or partial shade and protect from winter wet. Can be grown as a houseplant or in an alpine house in a peat-free, loam-based potting compost with added grit. Water moderately in growth and apply a half-strength liquid fertiliser monthly. Water sparingly in winter

Propagation

Propagate by softwood cuttings of non-flowering shoots in early summer

Suggested planting locations and garden types

City and courtyard gardens
Patio and container plants
Rock garden

Pruning

May be pruned to shape after flowering

Pests

May be susceptible to aphids, scale insects, mealybugs and vine weevils

Diseases

Generally disease-free