Pick sweet corn in the milk stage, when a milk-like juice exudes from kernels if crushed with a thumbnail. Cucumber - Harvest when fruits are bright, firm and green before they get too large. Avoid yellowed cucumbers. Store in refrigerator 5 days. Do not try to pickle salad-type cucumbers.
Older fruits become dull colored, soft and seedy.
Keep cool and humid. Garlic - Harvest when foliage loses color and tops begin to fall over. Store in cool, dry place. Greens - There are many kinds, including collards, turnip greens, mustard greens, kale, Swiss chard, beet greens, dandelions and others. Break off outer leaves when they are 6 to 10 inches long and before they start to yellow.