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Golden Alder ALNUS INCANA AUREA

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British Grown – The British Grown logo denotes plants and trees that have been both propagated and grown in the UK. Read more

Product Description

ALNUS INCANA AUREA – Golden Alder

Characteristics

A yellowish leaved cultivar of grey alder which is much slower growing than its parent.  The leaves are pointed with a downy underside, the young wood is an reddish yellow and stands out well in winter sun.  The catkins which are formed before leaf fall are orange and also stand out in winter. 

Though slower than most green leaved alders this cultivar will still reach about 10m (30ft)

Where to grow

Like all alders it will tolerate damp even wet conditions and will even do well on poor soils.  Like other alders it possesses nitrogen fixing nodules on its roots which enable it to colonise effectively

Did you know?

This alder will work well in a winter garden with the coloured stem trees and shrubs such as Birches, Cornus and Salix.

Features

Mature Height

Small - 5-10 metres

Spread

0-5 metres

Shape / Habit

Pyramidal

Growth Rate

Fast

Soil Type

All soil types

Sun Levels

Full sun
Partial shade

Difficulty / Hard to Grow

Easy

Evergreen / Deciduous

Deciduous

Autumn Colour

Orange
Yellow

Leaf Colour

Green
Yellow

Foliage

Dense
Early to Leaf
Large Leaves

Flower Colour

Red

Flowering Month

February
March

Uses

Screening
Parkland Tree
Garden Tree
City/Urban Sites
Sound Barrier

Peeling Bark

No

Thorny

No

Season

Autumn
Winter

Moisture Levels

Wet/Water logged sites

Other Features

Good for Windy sites

Aftercare

Pruning Alnus Incana Aurea

Alnus Incana Aurea, like other Alders, is a hardy tree that responds well to heavy pruning. However, as a rule, pruning is not necessary, as it grows as a naturally balanced and well-spaced tree.

What time of year should I prune? Prune when the tree is not in leaf (late Autumn – early Spring)

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 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.

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