Onions are “photoperiodic,” meaning they grow in response to day length—the number of daylight hours needed to trigger bulb formation.Short-day onionsgrow best in the southern United States, between 25° and 35° north latitude, and start bulbs when day length reaches 10 to 12 hours. The...
Harvesting and Storing Onions Harvest time is approaching once most of the leaves have bent down towards the ground. Bulbs will continue to swell over the next few weeks before coloring up nicely in time for harvest. When they’re ready, lift them up with a fork or trowel then move tho...
Harvesting mature bulbs in late spring can begin after the leaves on more than half of the plants fall or bend over. Harvest by gently loosening the bulbs from the soil and spread them out in an airy location away from direct sunlight. This will allow the skins to harden. Keep the produc...
We recommend using a good layer of mulch for all allium crops as it helps with the above issues. Mulch will help keep the soil cool and moist and suppress weeds. If you have a wet season, you may want to pull the mulch back a week or two before harvesting garlic and onions to allow...
Bulbing onions are mature when the tops turn yellow and start to fall over. Harvesting onions Harvest onions for flavoring throughout the season by snipping the ends of leaves. Harvest green onions when bulbs are no larger than the diameter of the leaves. ...
The great thing about green onions is they bring you a continuous crop all season long, and there’s really no trick to harvesting them. Once the stems pop up in the spring, simply pluck some leaves whenever you need some. They will continue to grow back through the first frost, up til...
The effects of direct harvesting and drying systems on the incidence and control of neck rot (Botrytis allii) in onions Direct harvesting, with mechanical removal of the foliage (topping), of onion crops followed by post-harvest drying at ambient temperatures ( c . 18°C) re... RB Maude,...
Harvesting onions Spring-planted onions should be ready to harvest in late summer and early autumn. Autumn-planted onions will be ready to harvest from early to mid-summer. Once the foliage starts to yellow and topple over, the bulbs are ready to be harvested. Use a fork to lift them care...
bulb at the same time, and reach harvestable size in a fairly narrow window. This makes harvesting and curing more convenient. If you prefer to avoid hybrid seed, make the effort to buy from a seed house that’s doing active work in keeping their open-pollinated lines reliable and ...
By the middle of summer, onion bulbs start to plump up and gardeners can begin harvesting onions as needed. In the late summer or early fall, depending on your region, the onion stalks will begin to fall over, bending at the neck. This is a sign of the end of maturation and a signa...