Soak seeds in water 24 hours before planting so that you can separate the seeds.
Thinning is nearly always required as seedlings emerge from a seedball of several seeds.
If you don't thin them, you will get a number of rather pathetic plants which don't grow to an edible size.
Tolerates light frost.
Keep well-watered as a dry beetroot will develop a woody and inedible core.
For tasty and tender beetroot, start harvesting at golfball-size.