I apologize for this delayed reply to your gardening question and hope it is still helpful to you.
Your issue with the citrus may be due to the type of orange you planted or the growing conditions. I don't know that there is anything you can do except to make sure the tree has moist soil. One other factor would be the stage of maturity when you pick a fruit. If you let them go too long they can become dry and of poor quality. Oranges can be eaten and in fact are ready before they turn fully orange. Try harvesting some fruit earlier next time and I bet they are better.
Thanks for the question. Best wishes for a wonderful gardening season. Please stop in again soon!
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