The Q&A Archives: pH Preference for Vegetables

Question: Can you tell me which plants prefer to grow in soil that is alkaline?

Answer: You clicked on the category of vegetables. Most veggies prefer a slightly acidic soil between 6 and 7. However, I live in Arizona, which has extremely alkaline soil between 8 and 8.5 and we can still grow any vegetables. As a matter of fact, Arizona is the 3rd producer of vegetable crops in the nation. Add plenty of organic matter/compost to the soil (4-6 inches and dig it in about 10 inches deep). Also add soil sulfur as an amendment, which slightly brings down the pH on a temporary and localized basis. Follow package directions. Keep improving the soil this way each year and you'll be able to grow veggies just fine!

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