Help us achieve our goals:
make a donation »
Join the RHS today and
support our charity
Free personalised gardening advice
RHS members get reduced ticket prices
RHS members get free access to RHS Gardens
Reduced prices on RHS Garden courses and workshops
020 3176 5800
Mon – Fri | 9am – 5pm
Make a donation
Join the RHS today and support our charity
I have forgotten my password
Keep me signed in
Register for free to receive our newsletters, add comments to blogs/articles and to save content.
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
common valerian all-heal
capon's tail cat's valerian cut-finger cut-heal garden heliotrope hardy heliotrope herb bennet Hercules' all-heal medicinal valerian phu St George's herb set-wall set-well summer heliotrope Vandal root
Valeriana can be annuals, herbaceous perennials or evergreen shrubs, with simple or pinnately lobed leaves and terminal sprays of small, white, pink or yellow flowers
V. officinalis is an upright herbaceous perennial to 1.5m tall, with curiously scented pinnate leaves and rounded clusters of small pink or white flowers in summer
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
Exposure Exposed or Sheltered
MoistureMoist but well-drained
SoilSand, Clay, Chalk, Loam
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in any moist soil in full sun or dappled shade
Propagate by seed in containers in the open, or take basal cuttings (see softwood cuttings) in spring. Can also be propagated by division in spring or autumn
Suggested planting locations and garden types
Flower borders and beds
City & Courtyard Gardens Coastal Cottage & Informal Garden Wildflower meadow
Pruning None pruning required, other than cutting back to ground level in autumn
Pests Generally trouble free
Generally trouble free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
Buy from £4.99 at the RHS Plants Shop
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