Root Development of Onions

Onions have a shallow, sparsely branched root system with most roots in the top foot of soil. Rooting density decreases with soil depth. The sparse, shallow rooting of onions has important implications for management of relatively immobile nutrients (Phosphorus (P), Potassium (K), and some micronutrients…

Onions are a Cold-Season Crop

Onions are a cold-season crop, so the best time to plant them is in the fall in mild-winter areas or early spring in northern states. The onion plant initially concentrates establishing a root system. Once the root system is established in normally two to three…

Storm Damage to Your Onions

Have you ever experienced bad storm damage in your onion patch? Often a storm may completely flatten the onion’s tops due to high winds, heavy rain, soil particles, and even hail. If the foliage is just bent at the base and the bulbs aren’t completely…