Sowing in December
In December the garden rests. The only harvest left is what stands through winter in the bed: kale, lamb's lettuce, Brussels sprouts, leeks. Otherwise it is the month for working out what goes where next year — crop rotation plans more easily now than in March.
Harvest in December
7 plants
These timings are for the moderate climate band. In the mild west everything runs about two weeks earlier, in harsh uplands two weeks later. Adjust for your region
All timings are guide values for the given climate, not a guarantee. Weather, aspect and variety all have a say.