This chart is for Zone 5 only. The site does have charts for different zones/areas. Zone 5 Vegetable planting calendar describing approximate dates to start vegetable plants indoors and outdoors relative to specific USDA P.
Vegetable Planting Chart - has info on spacing, how much seed per days to germination, days to yield, possible yield per row length, number of plants you will need for a family of common pests and suggested control. See more of my fav garden cha