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We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records.
Virtually all of the features of the old searches are still available and in addition we have added several new features to create a more comprehensive and user friendly search experience.
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Search by plant name, key attributes or both to find plant details and a list of
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.
© RHS 2002
the RHS today and get 12 months for the price of 9
Other common names
Byzantine crocus iris-flowered crocus
Crocus byzantinus Crocus iridiflorus
Crocus are dwarf, deciduous perennials growing from a corm, with linear leaves usually with a silvery central stripe, and goblet-shaped, sometimes fragrant flowers in autumn or early spring
C. banaticus is a perennial corm with lilac to light purple flowers produced before the leaves in early autumn. Inner tepals much smaller than outer ones, which reflex in strong sun
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect South-facing or North-facing or West-facing or East-facing
Exposure Exposed or Sheltered
SoilChalk, Clay, Sand, Loam
pHAcid, Alkaline, Neutral
Up to 10 cm
Time to ultimate height
Grow in a moderately fertile, humus-rich, moderately well-drained soil
Propagate by seed, sown in pots in a cold frame when ripe or remove cormlets when dormant
Suggested planting locations and garden types
Flower borders and beds
City & Courtyard Gardens Gravel Garden Patio & Container Plants Rock Garden
Pruning No pruning required
Pests Corms are vulnerable to mice, voles and squirrels
Generally disease free, corms may rot in storage
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
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