Alisa Craig Onion

Ailsa Craig heirloom onions are by far the largest onions you can grow in a short growing season. The key is to plant Ailsa Craig onions early and keep them growing throughout the season. If you are looking for a humongous variety with which to win county fairs this is the one for you.

Constantly add nitrogen to these beautiful onion plants to make them the onion giants. Unbeatable when fresh for making caramelized onions. Ailsa Craig onions do not store overly well, so enjoy them soon after harvesting. Also known as the Kelsae Sweet Giant onions.

Onion bulbs in excess of 3 pounds are possible, but the real beauty of this variety is the quality. Color is a snow white, centers are bull’s eye single, tops are vigorous, and the flavor is very sweet.

Heirloom Organic Non Gmo seeds

Choose from 100 -1000 SEEDS when adding to cart.

Growing instructions for - alum cepa - onion seeds

Germination: 5-10 days

Germination Temperature: Optimum soil temperatures 60-75ºF.

Seed Sowing Depth: 1/4" deep

Sowing Indoors: Start 8-10 weeks before last frost with soil temperatures 60-75ºF. Sow in flats 1/4” deep, 1/4” apart. Transplant seedlings out mid/late spring, 2-6” apart. Liquid fertilize seedlings every 7-10 days.
Sowing Outdoors- Early to mid-spring when soil temperature reaches at least 55 ºF. Sow 1 seeds per 6” apart. The larger the bulb size the more space.

Harvest- Stop watering a week before harvesting. Pull out when necks soften and start to fall over. Cure them in the sun for a few days then finish drying them out of direct sunlight, in a warm area, and in single layer so air can circulate around them until the neck is dry. To store : dry them thoroughly in a warm dry environment immediately after harvest and then hang them in bags in an unheated pantry.