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AGM plants have been through a rigorous trial and assessment programme. They are:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
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Other common names spurge 'John Tomlinson'
Family Euphorbiaceae
Genus Euphorbia can be annuals, perennials, shrubs or succulents, with milky sap and small flowers held within cupped, often colourful bracts
Details 'John Tomlinson' is an erect, open-habited medium-sized evergreen perennial with narrow grey-green leaves and large rounded heads of bright yellow-green flowers
Foliage Evergreen
Habit Bushy
Toxicity All parts are highly toxic by ingestion
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H4
Full Sun
Aspect South-facing or West-facing or East-facing
Exposure Sheltered
Sand
Chalk
Loam
MoistureWell-drained
SoilSand, Chalk, Loam
pHAcid, Alkaline, Neutral
Ultimate height 1-1.5 metres
Ultimate spread 1-1.5 metres
Time to ultimate height 2-5 years
Cultivation Grow in well-drained, light soil in full sun
Propagation Propagate by division in early spring or take basal cuttings in spring or early summer; dip cut surfaces in charcoal or lukewarm water to prevent bleeding
Suggested planting locations and garden types Flower borders and beds City & Courtyard Gardens Coastal Cottage & Informal Garden
Pruning Cut back flowering shoots to ground level in late summer or autumn
Pests Prone to aphids
Diseases Generally disease free
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