Brad Wright, co-owner of Bluegrass Farm by Anne Waters.
Piotr Pawlowski, a member of the Bluegrass Farm team, installs tubing for the radiant-heat system.
The high-efficiency wood boiler warms the radiant floor heating system in the greenhouses.
Leela Ramachandran, lower left, co-owner of Bluegrass Farm, tends to the cool-loving greens in one of their four greenhouses.