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Japanese mock orange yellowing

United Kingdom Gb

We have planted japanese mock orange- (Greek -angeliki) as a hedge in our Greek garden but some of the shrubs are yellowing while others look fine. Is this a chemical deficiency - if so what? The soil is poor and the subsoil is limestone.

On plant Pittosporum tobira



Chlorosis of lime often causes blanching in many shrubs or plants, as you are on limestone the PH is high (take a test).
You need to feed your plants adding humus to the root area, a good mulch of fertile compost, water the whole area with a solution of Sequestered iron or Epsom salts.

28 Sep, 2008

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