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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
vervain 'Lawrence Johnson'
Verbena 'Lawrence Johnston'
Glandularia are annuals or herbaceous perennials, native to The Americas and closely-related to Verbena (and included within Verbena until recently). Showy flowers typically have 5 petals and are held in rounded clusters in summer and autumn
'Lawrence Johnston' is a spreading half-hardy perennial to 45cm tall, with toothed, ovate leaves and flat clusters of bright red flowers 1cm across in summer and early autumn
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
MoistureWell-drained, Moist but well-drained
SoilSand, Loam, Chalk
pHAcid, Alkaline, Neutral
Time to ultimate height
In borders plant in well drained soil and full sun. In containers best grown in loam based compost such as John Innes No. 2 with added sharp sand alternatively use multipurpose compost with added sharp sand
Take semi-ripe stem-tip cuttings in late summer
Suggested planting locations and garden types
Flower borders and beds Garden Edging
City & Courtyard Gardens Coastal Cottage & Informal Garden Patio & Container Plants
Pruning Deadheading is beneficial
Pests Aphids, thrips and leafhoppers may be troublesome
Susceptible to powdery mildew
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