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ACER GRISEUM - Paper Bark Maple
A small, slow-growing tree, Acer griseum really is one of the most spectacular small garden trees that grow in Britain. It is much prized for its beautiful cinnamon-coloured bark which peels on even the smallest branches. It is a real gem in autumn when the small, three-lobed leaves turn many shades of red. Unlike a lot of the maples it doesn’t grow with a clear leader and breaks from low down and often multi-stems. It will ultimately make a broad round headed tree to about 10m (30ft).
Where to grow
It will grow in full sun or partial shade, on any aspect. It will grow on all soil types, though it does prefer a free draining soil and won’t do well if overly wet. The branches can be prone to frost damage in cold winters, but this can help the tree to fill out.
Did you know?
Acer griseum was introduced to Britain from China by legendary plant hunter Ernest 'Chinese' Wilson. This was just one of over 1,000 plants he introduced to western cultivation that also include the Handkerchief Tree (Davidia involucrata) and Kiwi Fruit (Actinidia deliciosa)
- Small - 5-10 metres
- 0-5 metres
Shape / Habit
- Very Slow
- Light sandy
- Full sun
- Partial shade
Difficulty / Hard to Grow
Evergreen / Deciduous
- Cut leaf
- Small leaves
- Parkland Tree
- Garden Tree
- Small garden Tree
- City/Urban Sites
- Suitable for Containers
- Suitable for Patio
Stem / Bark
- Needs shelter
Pruning Acer Circinatum
Acer Circinatum has a shrubby habit and as such little to no pruning is necessary. Remove crossing shoots to promote a healthy framework. Diseased and damaged growth should be removed completely, cutting flush with the main stem.
What time of year should I prune? Prune in winter (November to January) when the plant is dormant. Acers will ‘bleed’ sap if pruned too early.
For the continued healthy growth of your trees, shrubs or hedging it is vital that you follow the advice below.
The main reason that plants die within 12 months of having been planted is lack of water. It is essential throughout the spring and summer, to give a heavy enough watering to enable the water to penetrate right down to the deepest root level of the tree. In hot dry spells give the equivalent of 2 bucketfuls every three days.
One of the most common causes of lack of water is competition from grass. When trees are first establishing, the grass roots would be at the same level as the tree roots and are far more efficient at taking up water and thus choke the tree. It is vital that for at least 3 years after planting your tree or hedge has a circle or strip one metre wide completely free of grass.
- Mulch mats are an effective way to stop grass and weeds, although they will require a careful eye to make sure they continue to work. After clearing the ground around the tree, firmly fit the mat by tucking the edges into the soil and put a thick layer of bark mulch on top of this. Be careful not to allow the woodchip to touch the stem as it can cause rot.
- Weed killer is very effective, however it is harmful to the environment. Organic weed killers usually do not kill roots. Weed killer needs to be applied each year for the first 3 years, preferably when the tree is dormant, or just once before applying a mulch mat.
- Mowing or strimming is NOT an answer to the problem. Each time you mow, the grass will grow back more vigorously and strimming invariably leads to lacerated trunks.
If trees are not correctly secured they will rock in the planting pit. Roots not firmly in contact with the soil are unable to take up moisture and nutrients, resulting in die back or death of the tree. Check, particularly after windy weather, that stakes are still solidly in the ground keeping the base of the trunk firm. The purpose of the stakes is to anchor the roots. Flexing in the wind, higher up the trunk, is not necessarily a problem if the roots are firm.
Bellow is list of the correct system to use to secure your trees.
- 40/60, 60/80, 80/100 whips - Unless rabbit/deer problem no need to stake.
- 100/125, 125/150 1.2m Cane and Easi tie.
- 150/175 1.2m square stake and a buckle tie and spacer.
- 175/250, 6/8, 8/10 15L 1.65 Tree stake and a buckle tie and spacer.
- All larger trees. 2 x 1.65 Tree stake and cross rail with 38mm cushion spacer and 1m of 38mm strapping.
Always use our recommended tree ties or strapping. These are designed and manufactured with the correct amount of give to hold the tree firm without strangling it. They should be checked at the end of each growing season for adjustment as the trunk thickens. Non proprietary materials such as baler twine will cut into the bark and should not be used.
Protection from Animal Damage
Rabbits, deer, sheep, cattle and horses can all potentially damage trees. Ask us for advice on the most appropriate guards for your trees or hedge. Squirrels are also a terrible pest when trees get to about 20ft tall but there is no protection available.
Are the delivery costs the same no matter how many plants I order?
Yes the delivery costs are the same no matter how many plants you have on your order. They are worked out based on your distance from our nursery and can be found here.