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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
anise-scented sage 'Black and Blue'
Salvia can be annuals, biennials, herbaceous or evergreen perennials, or shrubs. They have paired, simple or pinnately lobed, often aromatic leaves and 2-lipped flowers in whorls, forming simple or branched spikes or racemes
'Black and Blue' is a tall perennial with a running rootstock, forming a wide clump of stems bearing ovate leaves and loose spikes of dark blue flowers 4cm long, each set in black calyx, and opening in late summer and autumn
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 West-facing
SoilSand, Chalk, Loam
pHAcid, Alkaline, Neutral
Time to ultimate height
Best grown in full sun in well-drained soil with shelter from cold winds. Maintain low humidity for plants overwintered indoors in a greenhouse. Under glass grow in well-drained loamless or loam-based potting compost (JI No.2) in full light with shade from hot sun
Propagate by division of established clumps. Take softwood and semi-ripe stem-tip cuttings from new non-flowering growth. Take basal stem cuttings from new shoots that are about 8cm (3in) tall
Suggested planting locations and garden types
Flower borders and beds Wall-side Borders
City & Courtyard Gardens Coastal Cottage & Informal Garden
Pruning Deadhead faded flowers
Pests Slugs and snails may attack young growth. Capsid bug and leafhoppers may be troublesome. Under glass aphids, glasshouse red spider mite and glasshouse whitefly may be a problem
May be affected by fungal diseases including foot and root rots
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.