For iced tea, the question is “sweet or unsweet?” For garden soil, it’s “alkaline or acid?” The answer can make a big difference in the health and growth of your plants, according to Sharon Yiesla, ...

Question: We were given a blue hydrangea as a gift and told it needs special soil to remain this color. What should I do? Answer: Keep the soil acidic and you should have continuing blue hydrangea ...

Thornless common honeylocust, Gleditsia triacanthos f. inermis, is a medium to large tree. It tolerates city conditions well, and is glorious in the fall. The species has messy seed pods and ferocious ...

Some plants require soil to be acidic or alkaline in order to thrive. While you can buy a pH testing kit, this DIY method gives you an idea of what kind of soil you have, using two ingredients that ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...

Is soil testing important? How can I get my soil tested? The first question is do you need a soil test? There are several situations where a soil test may be appropriate: 1. Landscaping a new home ...

Researchers create a global map of soil pH and illuminate how it changes between wet and dry climates. For some time now, scientists have known that climate influences soil chemistry -- and, in ...