When to plant English Oak?

English oak is best planted as a bare-root or container-grown young tree between October and November or in March, when the tree is dormant and the soil is workable. Choose a position in full sun or partial shade where the tree has ample room to develop—mature specimens reach 15–35 metres tall with a spread of 10–20 metres, so plant at least 12 metres from buildings, boundaries, and other large trees. Oak thrives in clay soil and loam, preferring ground that is moisture-retentive but well-drained. Avoid waterlogged sites or shallow, chalky soils. Prepare the planting area by digging a hole roughly twice the width of the root ball but no deeper; the root flare (where the trunk widens at the base) should sit level with or just above the surrounding soil surface. Break up compacted soil at the base and sides of the hole to encourage roots to spread. Position the tree in the centre of the hole, backfill with the excavated soil, and firm gently with your heel to eliminate air pockets. Water thoroughly immediately after planting—give at least 20 litres to settle the roots. Drive in a sturdy stake at a 45-degree angle on the windward side if the tree is taller than 1.5 metres, securing it with a tree tie that allows some movement. Apply a 7–10 cm layer of well-rotted compost or bark mulch around the base, keeping it clear of the trunk itself to prevent rot. Water again if the weather is dry in the weeks following planting, especially during the first growing season when the root system is establishing.