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
Help us achieve our goals
Make a donation
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.
See what events are on near you and browse your bookmarked pages.
Inspiring days out and so much more
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.
© RHS 2002
the RHS today and get 12 months for the price of 9
Other common names
Norway maple 'Crimson King'
Acer can be deciduous trees or large shrubs with paired, often palmately-lobed leaves and small flowers followed by characteristic winged fruits. Many have fine autumn colour, and some have ornamental stems
'Crimson King' is a vigorous medium-sized deciduous tree. Leaves large, 5-lobed, deep purplish-crimson all summer. Flowers reddish-orange, in clusters on leafless branches
Habit Spreading / Branched
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 or South-facing or West-facing
MoistureWell-drained, Moist but well-drained
SoilChalk, Clay, Sand, Loam
pHAcid, Alkaline, Neutral
wider than 8 metres
Time to ultimate height
Grow in a moist but well-drained soil
Propagate by grafting
Suggested planting locations and garden types
Pruning Pruning group 1
Pests Aphids and horse chestnut scale may be a problem
Verticillium wilt may be a problem
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
Norway maple 'Crimson King'
Buy from £74.99 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