Is red soil suitable? And what about a clay like soil? There are fully grown and young trees growing in this sandy-clay like soil, but none of my seeds will grow in it.
What Type of Soil Do You Recommend Using to Plant Vegetables and Herbs?
The best soil for vegetables and herbs is a loam rich in organics. Very few places have this kind of soil naturally, so all successful gardeners spend a lot of time amending their soil. Here are some articles to get you headed in the right direction: https://www.gardeningknowhow.com/edible/vegetables/vgen/vegetable-garden-soil.htm
Some red soils are also quite fertile, but most aren't, and the methods used to make them productive vary from locality to locality. You will be well rewarded by doing some research, and getting in touch with any horticultural organizations or gardening groups that you can find. Contacting a major botanical garden for information is a good place to start.