when to harvest onions shooting
Depending on the variety, bulb onions grown from transplants or sets will need about 3 months to reach maturity. Many onions are ready to pull up and harvest by late summer, roughly late July or early August. In the Northern states onion bulbs are generally allowed to become as ripe as possible before harvest.Professional growers usually prefer that the tops ripen down and shrivel and that the outer skin of the bulbs be dry before the onions are removed from the soil.n the Northern states onion bulbs are generally allowed to become as ripe as possible before harvest. Professional growers usually prefer that the tops ripen down and shrivel and that the outer skin of the bulbs be dry before the onions are removed from the soil.