when to fertilize citrus trees in california

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2 to 3 years old

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  • When should you fertilize a citrus tree?

  • You can start fertilizing potted citrus trees in early spring and stop in midsummer to allow your tree to prepare for winter. You can either use a slow-release fertilizer once a year in early spring or a liquid fertilizer every other week.

  • What is the best guide for citrus fertilizer practices in California?

  • Leaf and soil analyses as guide for citrus fertilizer practices in southern California orchards. California Agriculture 14 (10), 13-14. Chapman, H.D., 1968.

  • When is the best time of year to apply fertilizer?

  • So fertilizer timing starts with when the first frosts might come. Along the coast in Southern California, the last nitrogen application should be no later than October 1, in preparation for frosts than can occur in December. Nitrogen can resume March 1 in most cases. Then the next issue is how frequently to apply nitrogen after that.

  • When should I fertilize my lawn in California?

  • The University of California Agriculture and Natural Resources recommends regular fertilization with nitrogen. First application should be in January or February, just prior to bloom. Additional applications should be made in early May and in June.

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