If soil is dry enough, work in overwintered cover crops two to three weeks before planting. Fertilize lawns with nitrogen just before rain, and sow new lawns this month. If it continues to rain, cover your beds with plastic, if you can, to allow them to dry out. It is important to elevate the plastic to allow evaporation, and unless your soil is compacted clay, it can be ready to work in no time at all. If unable to elevate the plastic, try to pull it back on non-rainy days.
Cucumber beetles let loose the eggs they've been holding.
Adult codling moths may emerge sometime this month, so place pheromone traps or check with Extension for official notification. May 1-this is the worst enemy of living conifer trees. Also look for tiny white grasshopper and leafhopper nymphs. They are fairly easy to smoosh since they don't move as quickly as the adults. If you have a particular pest you're concerned about, you can research further.