soil sampling - Garden Field Book

When to test garden soil before the season gets busy

Oct 31, 2026Oct 27, 2026 by Garden Field Book Editorial Team

Choosing when to test garden soil works better when you start with the decision the result needs to guide, not with a universal month on the calendar. The useful sampling window depends on the laboratory’s instructions, the condition of the soil, the amendment or planting decision ahead, and how much time you need to receive

How to take a soil sample without sending the lab a bad average

Oct 7, 2026 by Garden Field Book Editorial Team

A useful soil test starts with a sample that represents one real management area, not a scoop of whatever soil is easiest to reach. Separate areas that have different uses, soil histories, amendments, or plant problems, then follow the chosen laboratory’s instructions for sampling depth and submission. Collect several consistent subsamples, combine only those that