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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 variegated slender sweet flag
Synonyms Carex variegatus
Family Acoraceae
Genus Acorus are deciduous or semi-evergreen, moisture-loving rhizomatous perennials forming tufts of linear or sword-shaped leaves, with insignificant spike-like flowers borne near the tips of central leaf-like stems
Details 'Variegatus' is a compact, tufted semi-evergreen perennial to 30cm in height, with narrow leaves margined with creamy-yellow
Foliage Semi-evergreen
Habit Tufted
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H6
Full Sun
Aspect South-facing or West-facing
Exposure Sheltered
Chalk
Clay
Loam
MoisturePoorly-drained
SoilChalk, Clay, Loam
pHAcid, Alkaline, Neutral
Ultimate height 0.1-0.5 metres
Ultimate spread 0.1-0.5 metres
Time to ultimate height 2-5 years
Cultivation Easy to grow in wet or very moist fertile soils. Can be planted in baskets in shallow water. It also makes a useful aquarium plant but is short-lived where water temperatures exceed 22?C for long periods. Divide every few years to prevent congestion
Propagation Propagate by rhizome division at the beginning of the growing season. Pot up and plant out only when fully established
Suggested planting locations and garden types Low Maintenance Cottage & Informal Garden
Pruning Tidy foliage if necessary in early spring
Pests Generally pest free
Diseases Generally disease free
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