The Best Soil Composition For Vegetable Garden 2022. Veggies you can expect to grow well in alkaline soil with a. The majority of vegetables will tolerate any soil ph between 5.5 and 7.5, but the ideal number for most is 6.5—though potatoes should be kept at about 5.5 to control scab.

Most plants prefer slightly acidic to neutral soil (from 6.0 to 7.0). When creating a raised vegetable garden bed, it is important to use a soil mix that will be conducive to healthy plant growth. The following are compost to soil ratios on different types of soil.