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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
lords-and-ladies cuckoo pint
Aaron Adam and Eve adder's meat adder's root arrowroot bloody man's finger bobbin' Joan bobbing Jane bobbins boys and girls brown dragons bulls and cows calf's foot cobbler's thumb cocky baby devil's ladies and gentlemen devil's men and women English passion flower friar's cowl Gethsemane jack-in-a-box jack-in-the-pulpit Kitty-come-down-the-lane lamb in a pulpit lily grass mandrake naked ladies nightingales parson and clerk parson in the pulpit Portland arrowroot Portland sago plant Portland starchroot priest's pintle rampe snake's victuals starch flower starch plant wake-robin
Arum are tuberous perennials with simple, arrow-head shaped leaves and tiny flowers hidden, at the base of a yellow or purple, club-shaped spadix, within a showy, hood-like spathe, and followed by red berries
A. maculatum is a compact tuberous perennial to about 45cm with arrow-shaped shiny green leaves often with black spots. Variable pale green to purple flushed spathes appear in late spring, followed by spikes bearing orange-red berries in the autumn. Foliage dies down by midsummer
Toxicity All parts are highly toxic by ingestion
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect North-facing or East-facing
MoistureWell-drained, Moist but well-drained
SoilLoam, Chalk, Sand, Clay
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in moist but well-drained humus-rich soil and plant 10 to 15cm deep in light shade. Self-seeding may be a problem
Propagate by division of tubers when dormant after flowering. Propagate by seed, sow seeds as soon as ripe in the autumn having removed the fleshy pulp ? use gloves
Suggested planting locations and garden types
Low Maintenance Underplanting of Roses and Shrubs
Cottage & Informal Garden
Pruning No pruning required
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.