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Chiastophyllum oppositifolium

Lamb'S Tail

RHS Award of Garden Merit Hardiness H5

Arching sprays of bright yellow flowers hang above fleshy evergreen leaves on Chiastophyllum oppositifolium. This low, spreading perennial brings summer colour to shaded rockeries, walls and alpine containers where the soil remains moist but drains freely.

SKU: CHIA-2-Y

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Plant Details

Size

Max Height
0.1 m — 0.5 m
Max Spread
0.1 m — 0.5 m
Growth Habit
Spreads horizontally along ground, forming dense flat ground cover.

Planting Position

Sunlight Indicates how much direct sunlight the plant needs each day. Full sun means 6+ hours, part shade is filtered or morning sun, and full shade is little to no direct sun.
Part Shade
Aspect Aspect refers to the direction the planting spot faces (north, south, east or west). It affects light levels, warmth and exposure.
South North East West
Exposure Exposure describes how sheltered or exposed a plant’s position is, particularly to wind and weather.
Exposed / Sheltered
Hardiness Hardiness indicates how well a plant tolerates cold conditions outdoors. Higher ratings generally mean greater frost tolerance.
Hardiness H5 (−15 to −10 °C) Cold-hardy

Ideal Soil Conditions

Soil Type Soil type describes the texture of the soil (clay, sand, loam, chalk). This affects drainage, nutrients and how roots grow.
Chalk Loam Sand
Soil Moisture Soil moisture tells you how wet or dry the soil should be for best growth. Match this to your garden conditions for healthier plants.
Moist but permeable
Soil pH Soil pH measures how acidic or alkaline the soil is. It affects nutrient availability and can impact plant growth.
Acid Alkaline Neutral

Plant Uses & Merits

Uses
  • Rockeries
  • Patios / Courtyards
  • Groundcover
  • Edging
Merits
  • Generally disease-free
  • No pruning required
  • RHS | Award Of Garden Merit

Chiastophyllum oppositifolium Description

Chiastophyllum oppositifolium, commonly called lamb’s tail, forms a prostrate evergreen clump of fleshy, oval green leaves. Branched brownish stems carry arching racemes of small, bright yellow flowers during late spring and summer. Reaching around 15 to 20cm high and gradually spreading to approximately 30cm, it is particularly effective in shaded rock gardens, walls, raised beds and alpine troughs. Grow in partial shade in moist but well-drained soil, where protection from intense midday sun helps keep the foliage fresh. It is hardy and performs well in Ireland, provided the crown is not left in stagnant winter moisture. Remove faded flower stems and divide established clumps if they begin to outgrow their allotted space.