Effective potting soil for a citrus tree prevents drainage problems, a top reason why citrus trees do not grow well. Consider your container when analysing how well your soil retains and drains water; soil will dry out faster in a clay pot than in a plastic one.
Potting soil for citrus trees needs to keep roots from becoming waterlogged. The potting soil has to be light to allow proper drainage; look for soilless mixtures with perlite or pumice.
Citrus trees grow best in potting soil that has a pH from 6 to 8. Get a soil testing kit from a garden supply store or contact your local extension office for help in testing soil. Even if your commercially produced potting soil advertises the desired pH, test it yourself to verify that your potting soil has an optimal pH level.
Look for potting soil that includes a slow-release fertiliser. If your potting soil does not include one, add your own in March. Add fertiliser monthly during the spring and summer.
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