What varieties of onions should I plant to produce the large, sweet bulbs?
Plant the varieties 1015Y, Grano, Granex or, if you prefer the red onion, Burgundy. These “Bermuda” onions are considered short-day onions. Planted at the right time for your area and given proper moisture and fertility, they should produce large, sweet bulbs like those you find in the spring at local grocery stores. 11. Q: What causes my bulb onions to send up flower stalks? A: Flowering of onions can be caused by several things, usually temperature fluctuation. An onion is classed as a biennial which means it usually takes two years to go from seed to seed. However, this condition is triggered by temperatures. If an onion plant is exposed to alternating cold and warm temperatures resulting in the onion plant going dormant, resuming growth, going dormant and then resuming growth again, the onion bulbs prematurely flower or bolt. Flowering can be controlled by planting the right variety at the right time. Use only transplants that are pencil-sized or smaller in diameter. 12. Q: Should
