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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.
When using this search
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.
the RHS today and get 12 months for the price of 9
Other common names
gentian 'Blue Silk'
Gentiana can be annuals, biennials, herbaceous or evergreen perennials, mostly with showy, trumpet or salver-shaped flowers
'Blue Silk' is a perennial with trailing stems, to 20cm in length, bearing narrow leaves and upward-facing, funnel-shaped, purple-blue flowers with lighter and darker stripes
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect West-facing or South-facing or North-facing or East-facing
MoistureMoist but well-drained
Up to 10 cm
Time to ultimate height
Grow in moist but well-drained, neutral to acid, humus-rich soil in partial shade. Suitable for rock garden or peat terrace
Propagate by seed or division of offsets in spring
Suggested planting locations and garden types
City & Courtyard Gardens Gravel Garden Patio & Container Plants Cottage & Informal Garden Rock Garden
Pruning No pruning required
Pests Slugs, snails and aphids may be seen
Root rot may occur
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.