"Robert Lewis" wrote:

First time beet grower, with a very small patch. How do I know when to
harvest them?

When they're the size you want... edible at any size.

Enviously (mine are just germinating),

Gary Woods AKA K2AHC- PGP key on request, or at home.earthlink.net/~garygarlic
Zone 5/6 in upstate New York, 1420' elevation. NY WO G