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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 garden spearmint spearmint
common mint garden mint green pea mint lamb mint mackerel mint Mary's herb sage of Bethlehem
Synonyms Mentha spicata 'English Lamb Mint' Mentha spicata 'English Lamb'
Mentha viridis
Family Lamiaceae
Genus Mentha are aromatic, rhizomatous perennials with opposite, toothed leaves and small tubular flowers in spikes of whorls in summer
Details M. spicata is a vigorous rhizomatous perennial forming an extensive colony of erect stems bearing spearmint-scented, lance-shaped leaves, and small light purple flowers in interrupted terminal spikes
Plant range S&C Europe
Foliage Deciduous
Habit Suckering
Fragrance Foliage
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H7
Full Sun
Partial Shade
Aspect South-facing or East-facing or North-facing or West-facing
Exposure Exposed or Sheltered
Chalk
Clay
Loam
Sand
MoistureMoist but well-drained, Poorly-drained
SoilChalk, Clay, Loam, Sand
pHAcid, Alkaline, Neutral
Ultimate height 0.5-1 metres
Ultimate spread 1-1.5 metres
Time to ultimate height 2-5 years
Cultivation Grow in any moist soil, in any situation. Can be invasive, so restrict root run
Propagation Propagate by seed or division in spring or autumn
Suggested planting locations and garden types Cottage & Informal Garden Wildlife Gardens
Pruning Cut back after flowering
Pests Can get leafhoppers and caterpillars
Diseases May be subject to powdery mildews and mint rust
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garden spearmint
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