When someone tells me they have a black thumb, one of the first things I ask is what type of soil they have in their garden. Almost inevitably, they either give me a blank stare or a shrug.
In the excitement of starting a new garden, it’s easy to get caught up in seed catalogs and grand gardening dreams – but for any garden to succeed, you must first do two things: Determine what type of soil you have, then test it. That is the chief key to having a so-called green thumb.
How to test your own garden soil to get healthier and more bountiful harvests.