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Acer Platanoides ‘Crimson King’

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Acer Platanoides ‘Crimson King’
Acer platanoides ‘Crimson King’

A medium sized, hardy cultivar of Norway maple tree with stunning purple foliage.

Friendly for Bees
Friendly for Birds

Availability: In stock

From: £79.95


Root Type Supplied Size Form Availability Unit Price Qty
12L Pot 175-200cm Pruned & Shaped Pre-Order (Aug)
From £79.96

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From: £79.95

The ‘Crimson King’ is a medium sized, hardy cultivar of the species Norway maple with striking deep purple foliage. This tree has become very popular in parks and city gardens world-wide. The clone, discovered in France in 1937, has been produced in the USA since 1948 and now dominates our market as a popular, purple leaved specimen. 

The leaves are palmate in form, with five lobes, and are approximately 15cm in length and width. They develop on long petioles (leaf stalks) and turn an attractive orange and brown in the autumn. The flowers are produced in the spring, in yellow clusters tinged with pink, and develop into the winged fruit, characteristic to all maples, called samaras or more commonly maple keys. The bark of all Norway maples is patterned with striking, interlaced ridges.

This dominant tree can be expected to reach a height of 12-15m in maturity with a spread of approximately 8-12m. Norway maples are surprisingly long lived and can achieve in excess of 150 years in a favourable environment.

RHS Award of Garden Merit
This plant/cultivar has been awarded the RHS Award of Garden Merit because it has proved to be reliable in appropriate conditions and a good performing plant. For more information on RHS Award of Garden Merit plants visit

Planting Position 
Tolerant of most planting situations this cultivar copes well with pollution, wind exposure and to some extent salt spray making it suitable for coastal planting. It grows well on most soil types however, does benefit from a moist, free draining soil and prefers full sun or partial shade only. Consideration must be given to the planting space for this tree given its ultimate height and spread.

The ‘Crimson King’ offers all year-round interest with its attractive flowers, foliage and fruit, and eye-catching bark patterns. It has multiple benefits for wildlife providing nectar for birds and bees via its fruit, and seeds which are eaten by birds and small mammals in the autumn.

Planting may be carried out at any time between early-November and mid-May.

Planting Willow and Poplar Setts / Cuttings

The cuttings are quick and easy to plant. They are provided with a slanted cut at the base and a straight cut at the top to make insertion into the ground easier and distinguish top from bottom. They can simply be pushed into loose cultivated soil and firmed in. They will need no support. In firmer soils simply make a vertical slit with a spade and push the cutting to the bottom of the slit and firm well by treading. Alternatively a narrow hole may be made with a bar or spike and the cutting pushed to the bottom and firmed well. For larger-scale planting schemes, a mole-plough or subsoil blade may be pulled through the ground in rows and the cuttings simply pushed into the loosened soil slit and firmed in by foot.

In order to get strong root development, you must ensure there is sufficient length below the soil level. The smallest cuttings (30cm / 1ft) must be planted so that only 5cm (2") is showing above ground. This makes them vulnerable to being smothered by weeds and grass before they get away, and so they are only suited to situations where they will receive a high standard of care in the early days. The two foot long cuttings (60 cm) are planted so that half is in the soil. Being larger they contain greater reserves of energy and grow away faster. In most situations the 60cm (2ft) cuttings are the best option and will produce a tree, if looked after, of 180-240cm (6 - 8ft) high in the first growing season.

All the cuttings are vulnerable to surrounding competition and often the reason for failure is down to the freshly planted cuttings having to compete with existing vegetation in the early stages, whilst they are trying to grow new roots. It is always best to clear the area of any existing vegetation where possible and keep control of this during the first 18 months in order to give the plants the best chance of success.


Planting Bare Root Whips and Hedging

Bare root plants can planted by notch or pit planting methods. For more information, please download this helpsheet.

Planting bare root whips and hedging help sheet


The decision on whether to plant rooted trees and/or which size of cuttings will depend on:

      - How easy a job you want planting to be

      - How well you will look after your trees 

      - Your soil type and site

      - How quickly you need results


All sizes of cutting root equally well.

The smallest one foot long (30 cm) cuttings must be planted so that only 2 inches (5 cm) is showing above ground. This makes them vulnerable to being smothered by weeds and grass before they get away, and so they are only suited to situations where they will receive a high standard of care in the early days. The two foot long cuttings (60 cm) are planted so that half is in the soil. This means that the new growth starts above weed and grass height. Being larger they also contain greater reserves of energy and grow away faster. 

In most situations the 2 foot long (60 cm) cuttings are the best option and will produce a tree, if looked after, of 6 - 8ft high in the first growing season.

On dry sites such as sands and gravels, or on banks, we would suggest that you plant a longer cutting and insert a larger proportion into the soil. Both the hybrid willows and poplars have the ability to make roots from any part of the stem and so, if planted deeply, will produce deep roots, which will always find moisture. 

The rooted trees and longer cuttings will cope better with difficult conditions and weed or grass competition to give instantly visible results.

Further information on rooted or unrooted plants can be found here.


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Our bare root plants and cuttings are delivered between November and May (specific dates cannot be guaranteed) but we do encourage early planting for the best results.


Most orders are dispatched within 3-5 working days where stocks are available. If they are not available at the time of order you will be notified and an alternative delivery date discussed with you. 

Our e-Gift Vouchers will be sent out within 24 hours of order.

We ship to mainland UK and the Isle of Wight (although surcharges may be incurred in some more remote areas – see below). Our orders are generally sent out using a national courier but for local deliveries, we may use our own couriers. Orders can also be collected from the nursery by prior appointment and we are more than happy for you to do this if you prefer. 

Our standard delivery charge is £15 plus VAT. This is for a next day delivery service in areas where this is available (i.e. mainland UK). For some of our products, such as seeds and planting accessories, the delivery charge is £4.95 + VAT. Our e-Gift Vouchers do not incur a delivery charge (please select 'Free Shipping' at the Checkout). For further information about Delivery, please click here.

There's usually no need to wait in for a delivery, our couriers will leave it in a safe place for you. If there is somewhere in particular you would like it left, please let us know at the time of ordering.


It is important to look after your trees as they mature so now click on After-Planting Care for some useful guide-lines.