Allium fistulosum seeds

Allium fistulosum seeds wholesaler Welsh onion Japanese bunching onion spring bunching onion seeds.

Allium fistulosum growing habits:

Welsh onion have strong cold resistance and heat resistance and can withstand low temperatures of -20°C. Under covered conditions, they can withstand low temperatures of -40 to -30°C. It has strong drought tolerance and likes a dry climate. Evergreen bunching onions like coolness but not heat, but they are not tolerant of moisture. Weather with too much rain is not conducive to their growth. The soil requirements are deep soil, good ventilation, and drainage, so they are often sown or divided. strain propagation. Green onions do not have high requirements for light conditions, and the sunshine time can be any length. As long as the plants complete vernalization, they can bolt and bloom normally. The leaves of green onions are tubular, and waxy, and are drought-tolerant but not waterlogging-tolerant.

Long green onions have good root systems and are afraid of waterlogging. They like loose, fertile, and well-permeable soil. If the soil moisture is too high, especially at high temperatures and high humidity, the roots will die due to insufficient oxygen supply. The roots of green onions are aerobic and like to extend to parts of the soil with higher aeration. When cultivating with high soil, the root system of white lisbon bunching onion does not grow downward but extends along the horizontal direction or upward. The higher the soil, the more prominent the back-rooting phenomenon (the root system grows upward) of the green onion root system.

Onion fruits and seeds: The spring bunching onion fruits are large and easy to crack and drop seeds when mature. Generally, each fruit bears 3-4 seeds. The seeds are shield-shaped, with a black seed coat with 2-3 wrinkles. The dry kernel weight is 2.4-3.4 grams, generally about 2.9 grams. The seed life is 1-2 years at room temperature and the service life is 1 year. If stored in low temperatures and dry conditions, the life of onion seeds can be extended to more than 10 years.