I am trying to get my head around the permaculture 'stacking' theory - and thinking about it, you do see large trees growing as part of a hedgerow quite happily.
But would our newish hybrids cope with this arrangement? The 'traditional' gardening books all suggest they need spacing of about 2.5m - is this just from another tree, or should I take this to mean from the nearest hedge plant?
Confused
