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Mop Head Maple Acer platanoides globosum

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Product Description

ACER PLATANOIDES GLOBOSUM – Mop Head Maple

Characteristics

A rounded headed tree which has a distinctive lollipop outline.   It is in many ways a manufactured tree as the effect is achieved by top grafting a shrubby sport of Norway maple that would not make a tree in its own right onto a clear stem of a standard Norway Maple to give this dense crown.  It will not grow larger than 7m tall but will have a crown with a diameter of 6m.

Where to grow

Especially useful in confined urban spaces where greenery and shade are in short supply, but there is not the space for a tree of a full size.  It is drought tolerant and will cope with compaction.


Did you know?

Originating in Belgium in 1870’s this tree become a mainstay of urban planting in Germany in the late 20th century appealing to the regular architecture of the concrete office-retail complex.
 

 

Features

Mature Height

Small - 5-10 metres

Spread

0-5 metres

Shape / Habit

Round Headed

Growth Rate

Very Slow

Soil Type

All soil types

Sun Levels

Full sun
Partial shade

Difficulty / Hard to Grow

Easy

Evergreen / Deciduous

Deciduous

Autumn Colour

Yellow

Leaf Colour

Green

Foliage

Dense
Large Leaves

Uses

Screening
Small garden Tree
City/Urban Sites
Suitable for Patio

Season

Autumn
Summer

Other Features

Good for Windy sites

Aftercare

Pruning Acer Platanoides Globosum

The Acer Platanoides Globosum will form a compact and rounded crown with little pruning necessary. If you want to prune to alter the shape slightly, remove the young growth, rather than established stems.

If there are diseased or damaged stems remove these entirely, 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.

Watering

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.

Weed Control

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.

  1. 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.
  2. 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.
  3. 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.

Staking

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.

Ties

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 stay 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.

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