Posted: 14/05/2013 at 22:48
Hi Manx Cats. You're being very patient, as I really would have expected your tree to flower by now. Plums form flowers on shoots that formed the previous year. By its fourth year I would have expected the new growth that developed last summer to have carried flowers this spring.
Perhaps the tree is just putting on too much new growth to have reached flowering and fruiting age, so encourage it to produce flowers by applying a generous feed of Sulphate of Potash fertiliser over the soil around your tree. Potash is the nutrient needed by plants for flowering and fruiting, so is good to use round all fruit trees, bush