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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
willow gentian milkweed gentian
Gentiana can be annuals, biennials, herbaceous or evergreen perennials, mostly with showy, trumpet or salver-shaped flowers
G. asclepiadea is an herbaceous perennial to 1m, with arching stems bearing lanceolate leaves, and trumpet-shaped deep blue flowers 4-5cm in length in the upper leaf axils in late summer and early autumn
C & S Europe Turkey
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
MoistureMoist but well-drained
SoilClay, Loam, Sand
Time to ultimate height
Grow in light, humus-rich soil that is reliably moist but well-drained; avoid chalky soils. It needs shade from hot sun but in areas with cool, damp summers it can tolerate sun
Propagate by seed sown in pots in an open frame as soon as seed is ripe
Suggested planting locations and garden types
Flower borders and beds Cut Flowers Underplanting of Roses and Shrubs
Cottage & Informal Garden Rock Garden
Pests Generally pest free
Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.
Join the RHS today and get 12 months for the price of 9