Euphorbia [Diamond Frost]

RHS Plant Profile

spurge [Diamond Frost]

RHS / Joanna Kossak

Synonyms

Chamaesyce hypericifolia 'Inneuphe', Euphorbia 'Diamond Frost', Euphorbia 'Inneuphe', Euphorbia [Diamond Frost], Euphorbia graminea 'Inneuphe', Euphorbia hypericifolia 'Inneuphdia', Euphorbia hypericifolia 'Inneuphe', Euphorbia hypericifolia [Diamond Frost]

Bedding Herbaceous Perennial

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A tender evergreen perennial, with small, dark green leaves, a tangle of fine, airy stems and tiny white flowers from spring to autumn

Position

Full sun

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 1–2 years
Max Spread: 0.1-0.5 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–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): H2
Drought Resistance: Yes

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Euphorbiaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Bushy
Potentially harmful: Humans/Pets: IRRITANT to skin/eye; harmful if eaten. Wear gloves and other protective equipment when handling. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus: Euphorbia can be annuals, perennials, shrubs or succulents, with milky sap and small flowers held within cupped, often colourful bracts
Name Status: Synonym

How to Grow

Cultivation

Grow under glass in a mix of three parts peat-free, loam-based potting compost to one part grit, in full light. Outdoors choose a sunny position with light, well-drained soil. Good for pots and hanging baskets. See euphorbia for further advice

Propagation

Propagate by cuttings

Suggested planting locations and garden types

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

Pruning

No pruning required, rarely sets seed

Pests

Generally pest-free

Diseases

Generally disease-free