They can be harvested at almost any stage of development before they begin to turn yellow. Be sure to harvest eggplant while the fruits are still glossy. The young, succulent leaves can be picked at almost any stage of development. If left too long, however, they will go to seed and lose their best flavor. Pick the green bunching type about seven to nine weeks after planting.
Most dry onions take two to four months before they are ready.
Let the dry onions hang upside down for several days before storing them. For best flavor and food value, peas should be picked while the pods are still green and before the peas begin to harden. Check the vines regularly for maturity. Use them immediately if you want to enjoy the best flavor and nutritional value. They should be harvested when the fruits are nice and firm.