Red Oak (quercus rubra)
50 grams (approx 7 acorns) £1.45
100 grams (approx 14 acorns) £2.00
250 grams (approx 35 acorns) £4.00
500 grams (approx 70 acorns) £7.00
1000 grams (approx 140 acorns) £10.50
Although these seeds are from a good source they are not approved for forestry use
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Grown in a woodland setting it grows tall and straight generally up to 28m (90 ft), and exceptionally to 43m (140 ft) tall. When it is planted as an individual tree in an open situation it forms a narrow round-topped head with stout branches growing at right angles to the stem,
Best suited for medium loams and heavy soils including clay and even heavy clay soils but not waterlogged soils. Suitable for soils of wide ranging pH from acid to alkaline soils over limestone. It can grow in semi-shade (light woodland) or in full sunshine and can resist strong winds but not maritime exposure and is not suitable for coastal planting.
These seeds have been collected from several superb groups of specimen trees growing in the Limousin region of France during October 2012. Although these seeds have been collected from high quality ornamental specimens they have to be sold as 'not suitable for forestry purposes' to comply with current regulations.
_Germination, Sowing and After Care Information for
Northern Red Oak/Champion Oak (quercus rubra)
For seed that will be sown under glass the acorns should be mixed with a 50/50 blend of moist peat/compost and sharp sand -just enough to separate the seeds from each other. Put them in a plastic bag (freezer bags are ideal) and place the loosely tied bag in a fridge for at least 4 weeks. If they show signs of germination sow them immediately. After this period of pre-treatment they can be sown in good quality potting compost in deep containers (at least 20cm deep), covering each acorn with a couple of centimeters of soil
As soon as these seeds germinate they produce a very strong taproot, planting in shallow containers will cause severe root deformation. They can be started off under protection or indoors but should really be placed outside from the early summer. If you need to store your acorns before pre-treatment, mix them with slightly moist compost or peat and keep them in a cool place such as a frost free unheated outbuilding or in the fridge.
Initial growth is very rapid and within a few weeks from germination the seedlings will be between 10 and 20cm high. The trees will then rest for a few weeks before developing a terminal bud that will break into rapid new growth if the conditions are right. This usually brings height growth to 20 to 40cm. In warm locations and in favourable years the seedlings can even have a third growing phase of rapid growth before setting a resting winter bud. To encourage maximum growth ensure that the trees are never stressed because of a lack of water and that they are well nourished and grown in a warm, sunny position.
Trees should be planted in their permanent position as soon as is practical. If they are large enough, at the end of their first growing season and certainly at the end of the second. Allowing them to be grown in too shallow a container for any length of time will cause permanent root deformities that can lead to the failure of the tree once it grows to a large stature. Remember that Red Oak is pretty fast growing and will become very large and responds poorly to attempts to control its size by pruning.