Coast Redwood SEQUOIA SEMPERVIRENS

Description & features

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Product description

Characteristics

The largest tree in the world, the Coast Redwood is botanical phenomena.  The tallest recorded being 115m (400ft) tall and called Hyperion in Redwood National Park, California.  They originate from the Pacific coast of the USA from San Francisco to Oregon and were once extensive however as the timber is extremely useful 95% of the old growth forest has since been felled.

Where to grow

Naturally preferring damp warm conditions the coastal redwood does well in this country, especially in the west.  It can be tender when young and as such is not suitable for cold exposed sites.

Did you know?

Not only large but extremely long lived the oldest known specimen is at least 2,200 years old.
 

 

Features

Mature height
Very Large - 20 metres+
Spread
20+ metres
Shape / habit
Conical
Conifer
Growth rate
Very Fast
Soil type
All soil types
Sun levels
Full sun
Difficulty / hard to grow
Medium
Evergreen / Deciduous
Evergreen
Season of interest
Autumn
Winter
Spring
Summer
Leaf
Green
Foliage
Dense
Other
Needs shelter
Dislikes cold sites
Uses
Screening
Parkland Tree
Timber producing

Features

Mature height
Very Large - 20 metres+
Spread
20+ metres
Shape / habit
Conical
Conifer
Growth rate
Very Fast
Soil type
All soil types
Sun levels
Full sun
Difficulty / hard to grow
Medium
Evergreen / Deciduous
Evergreen
Season of interest
Autumn
Winter
Spring
Summer
Leaf
Green
Foliage
Dense
Other
Needs shelter
Dislikes cold sites
Uses
Screening
Parkland Tree
Timber producing

Aftercare

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 for 3 years after planting that your tree or hedge has a circle or strip one  metre wide completely free of grass.  The way to eliminate grass in order of effectiveness is:

  1. Spray off the grass with a glyphosate based weed killer such as Roundup.  Apply each year for the first 3 years.  It is best applied when the tree is dormant as it is absorbed through green leaves and kills the plant off at the roots.
  2. Firmly fit a mulch mat around the base of the tree by tucking the edges into the soil and put a thick layer of bark mulch on top of this.  This can be done after the initial spraying with glyphosate and should avoid the need for further spraying.

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.


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