Printed from: https://conservationhandbooks.com/tree-planting-aftercare/propagation/lifting-for-final-planting/
Length of time in nursery Ideally, a tree nursery should contain no native deciduous broadleaves older than 2 years, as this is the optimum age for planting out to ensure quick and successful establishment. On sites where growth is slower, 3 years growth (2 + 1) may be necessary. Any trees older than this are...