Mulch with partially decomposed compost after soil has warmed, to prevent weeds, keep soil evenly moist, and provide disease protection. Check for Insects as often as possible. Hand pick and step on any cucumber beetles you find. Aphids can be washed off with a water spray. Leafminer larvae can produce discolored patches on leaves - remove and destroy affected leaves early to prevent spreading.
Young leaves are a wonderful addition to salads.
And be sure to try this recipe for Swiss Chard Pie . Pick leaves right before you're planning to use them. Huge leaves can get tough, harvest in the smaller stages for better flavor. Harvest frequently for increased production. Garden clean up - eat all leaves, compost stalks.