Sedum middendorffianum

RHS Plant Profile

Middendorf stonecrop

RHS

Synonyms

Sedum kamtschaticum var. middendorffianum

Cactus Succulent

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A succulent, creeping evergreen perennial about 10-15cm tall, forming a mound of reddish stems bearing red-flushed dark green fleshy leaves, and in early summer star-shaped bright yellow flowers followed by reddish seed heads cover the plant. Grows well in containers and troughs

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: Well–drained
pH: 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): H7
Drought Resistance: Yes

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Crassulaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Clump forming, Trailing
Genus: Sedum may be annuals or herbaceous or evergreen perennials with succulent stems and leaves and clusters of small, star-shaped flowers in summer or autumn
Name Status: Correct
Plant Range: NE Asia

How to Grow

Cultivation

Grow in a sheltered position in moderately fertile, well-drained, alkaline to neutral soil in full sun. See hardy cacti and succulent cultivation for further advice

Propagation

Propagate by division in spring or by softwood cuttings in early summer

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Rock garden
Low Maintenance
Garden edging
Ground cover

Pruning

Can be trimmed back after flowering to maintain shape

Pests

May be susceptible to slugs, snails, vine weevil grubs, scale insects and mealybugs

Diseases

May be susceptible to fungal and bacterial crown and root rots