Knowledge Base
Garlic, saffron, seed potatoes, winter gardening and answers to the questions we hear most often.
Why plants stop growing in winter: day length, soil temperature and dormancy
A seed that sits unchanged for six weeks in winter is usually not a bad seed. Here is what day length, soil temperature and light intensity are actually doing to your garden, and how to plan around them.
Frost hardy or frost tender: how cold is too cold for each crop
Hardy, half hardy and tender describe how a plant copes with freezing, not with cold in general. Here is what each group tolerates, why a July frost is easier than a March one, and why a forecast of 2 degrees can still mean frost on the ground.