North Yorkshire
Essex
Devon
Surrey
Greater Manchester
General enquiries 020 3176 5800 Mon – Fri | 9am – 5pm
Help us achieve our goals
Make a donation
I have forgotten my password
Log in
Register for free to receive our newsletters, add comments to blogs/articles and to save content.
See what events are on near you and browse your bookmarked pages.
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 suppliers.
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.
© RHS
Join the RHS today and get 12 months for the price of 9
Other common names plantain lily 'Devon Green'
Family Asparagaceae
Genus Hosta are clump-forming herbaceous perennials with simple, ovate or lance-shaped leaves, often attractively coloured or variegated, and erect racemes of nodding, funnel or bell-shaped flowers in early summer
Details 'Devon Green' is an upright, clump-forming perennial 50cm high by 60cm across with shiny, dark green leaves about 15cm long. The small, tubular flowers are pale purple with darker stripes and appear in late summer and early autumn
Foliage Deciduous
Habit Bushy
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H7
Partial Shade
Aspect North-facing or East-facing or West-facing
Exposure Sheltered
Clay
Loam
MoistureMoist but well-drained
SoilClay, Loam
pHAcid, Alkaline, Neutral
Ultimate height 0.1-0.5 metres
Ultimate spread 0.5-1 metres
Time to ultimate height 2-5 years
Cultivation Grow in fertile, moist but well-drained soil in part shade with shelter from cold, dry winds. See hosta cultivation
Propagation Propagate by division in late summer or early spring
Suggested planting locations and garden types Flower borders and beds Garden Edging Underplanting of Roses and Shrubs City & Courtyard Gardens Cottage & Informal Garden
Pruning Remove spent foliage as required and clear up dead foliage when it dies back at the end of the growing season
Pests May be attacked by slugs and snails; plants in pots may be susceptible to vine weevil
Diseases May be subject to a virus
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
plantain lily 'Devon Green'
Buy from £7.99 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.