Lettuce (Grand Rapids)
Lettuce is a hardy crop that can be started throughout the growing season. It prefers cool temperatures, growing best at 16°C to 19°C. Approximately 900 seeds / gram. Buy Grand Rapids from here. Hints:
- Plant 7 mm [1/4"] deep in rows 30 to 60 cm [12-24"] apart.
- Thin to 20 cm [8"] rows.
- Plant 2 to 3 times deeper in the fall for the earliest spring lettuce.
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