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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 Tenore autumn crocus
Synonyms Colchicum speciosum 'Tenori'
Family Colchicaceae
Genus Colchicum are cormous perennials with usually coarse, broadly strap-shaped leaves which appear with or after the goblet-shaped flowers
Details C. tenorei is a free-flowering, cormous perennial to 15cm in height, with faintly tessellated, rosy-pink flowers 6cm in length, the stigma-lobes purple
Plant range Italy
Foliage Deciduous
Habit Clump-forming
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
Clay
Chalk
Loam
MoistureWell-drained, Moist but well-drained
SoilSand, Clay, Chalk, 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 Grow in moist but well-drained, deep, humus-rich, fertile soil. Intolerant of waterlogging
Propagation Propagate by seed sown in containers in an open frame when ripe or separate corms when dormant in summer
Suggested planting locations and garden types Flower borders and beds Low Maintenance Underplanting of Roses and Shrubs Cottage & Informal Garden Patio & Container Plants
Pruning No pruning required
Pests Slugs may be a problem
Diseases May be subject to bulb grey mould
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