Alnus Rubra Hedging

Red Alder, Alnus rubra, can be used as a rough country hedging plant, although we think that Italian Alder or Common Alder are better for this purpose. It does make a neat screening tree, however, with a fairly narrow, tapering canopy. Red Alder will grow in very wet sites and poor soils. It needs full sun. Young red alder plants are very vigorous. They have ruddy-brown catkins in spring, before the crinkled leaves appear. Alder trees fix nitrogen into the soil, making it available for nearby plants to use.
It will reach 20 metres if it grows freely as a tree. The plants on this page are young saplings, ideal for planting as hedging or in woodland projects. You can also buy larger Red Alder trees here, which will give you more of an instant impact as a garden specimen.

Browse all of our other Alder varieties here or see our full range of hedging options.

Red Alder plants are only delivered bareroot, during winter (Nov-March).

Spacing a Red Alder hedge:
Plant Red Alder hedging at 3 plants per metre, 33cms apart.

General description of Red Alder plants:

History & uses of Alnus rubra
Red alder comes from the West coast of North America, where it is a classic pioneer tree that quickly colonises bare ground after storms, fires, logging or shifts in a river's banks after a flood.
Red alder can be used to reclaim sites with very poorly fertile soil, or to help prevent erosion of loose soils.

Growing Red Alder plants:
Red Alder trees need a sunny site, ideally with moist or wet soil. They prefer rich, heavy clay but they will also grow on very poor, degraded soils. They will grow near the sea and although they are hardy across Britain, they aren't ideal for exposed sites or frost pockets in the North-East, where they will probably suffer some damage from late spring frosts. Common Alder and Grey Alder are the hardiest of the group. If your soil is very dry, Italian Alder is a better choice.
Red Alder will not grow in the shade or on chalk.

Prepare your site before planting:
Red Alder is very tough. The only essential preparation is to kill the weeds in a strip a metre wide along the planting site: improving the soil should not be necessary. If your soil is exceptionally poor and dry, then digging in some well rotted manure and/or compost is worthwhile.

Watch our video on how to plant a country hedge for full details. The instruction to cut the plants in half after planting only applies to thorny native hedging and plants in the conservation hedge mix: this isn't necessary for Red Alder.
Remember to water establishing plants during dry weather for at least a year after planting.

Hedge Planting Accessories:
Prepare your site for planting by killing the weeds and grass with Roundup weed killer.
You can buy a hedge planting pack with sheets of mulch fabric and pegs to hold it down.
If you are planting in an area with rabbit and/or deer, you will need to use a plastic spiral guard for each plant, supported by a bamboo cane.
If your soil quality is poor, we recommend using mycorrhizal "friendly fungi" on the roots of new trees and shrubs.
You can also improve your soil with bonemeal organic fertiliser and Growmore.

Read our full terms and conditions here.

Delivery: The basic delivery charge for orders of bareroot plants is £6.50 + vat, which increases to £12.55 + vat if you add any pot-grown plants, standard trees or fruit trees to the order.
Because couriers sometimes experience delays, we schedule delivery by week, not by day. Therefore, please plan your planting day for the weekend at the end of the delivery week or for the week following delivery, at the earliest.
We will email you the day before your plants are due to arrive.

*Surcharges to the Highlands and Islands still apply.

Payment: We do not charge your card until we begin to prepare your order for packing.

Guarantee: If any plants die within a year, we will replace them. We only ask that you follow our planting & growing instructions and sent us clear photographs of the dead plants in situ, so we can help to make sure that the replacement plants succeed. You only pay for the delivery of the replacements.

Please note that our guarantee is void if there is a hosepipe ban in your area: your newly planted hedging must be watered in dry weather while it is establishing. The best way to water is very thoroughly every few days: at least once a week if there is no heavy rain.

Our nursery has been supplying container grown and bareroot hedging plants to gardeners, farmers and town planners since 1949. Our website started in 2003, so we do understand the concerns that you may have about buying hedging plants online. If any of your plants are damaged when they arrive or if you are otherwise not satisfied with your order after you inspect it, please repackage it and contact us. We will give you a refund or send replacements and send a courier to come and collect the unwanted plants.

Misc	Wildlife Value
Area	Coastal Areas, Exposed Windy Areas
Soil	Acidic, Poor/Dry, Wet

	NUMBER OF PLANTS Inc. VAT
SIZES	1-9	10-49	50-249	250-999	1000+
60/80 cm	Plenty of Stock£3.66	Plenty of Stock£2.70	Plenty of Stock£2.16	Plenty of Stock£1.92	Plenty of Stock£1.80

Young Red Alder Trees - Barerooted

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Alnus Rubra Hedging