85-92 day. A good choice for fall harvest, Waltham was developed around 1950 in Massachusetts. It produces a nice, compact central head and lots of side shoots.
Minimum of 200 seeds per packet.
Planting Depth: 1/4 inch
Plant Spacing: 12-24 inches
Row Spacing: 18-36 inches
Direct seed 4 weeks before last frost and any time up to 3 months before last frost.
To start indoors, plant 6-8 weeks before transplanting into the garden. Transplant up to 4 weeks before last frost.