We suggest Gold Coin and Red Marble Cipollini Onion as replacements
Italian Heirloom. This antique variety has flattened disk-shaped bulbs with a mild sweet flavor. It has a storage life of up to three months. Perfect size for kabobs, pickling, and roasting. The roasting balsamic vinegar really brings out its flavorful taste.
Please note that germination rates for alliums (onions/shallots/chives/leeks) decline rapidly. We strongly encourage you to purchase new seed each growing season.
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. Seedlings size should be about a pencil thick at transplanting time.
Sowing Outdoors- Early to mid-spring when soil temperature reaches at least 55 ºF. Sow 1-3 seeds per inch, thin to 2-6” apart. The larger the bulb size the more space.
How much does a packet plant: 15-30 foot single row
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. Store in a cool dark place with 35-40ºF temperatures and 65-70% humidity.
Tips- Needs fertile, well drained soil. Amend with compost or apply organic granular fertilizer. Adequate water is very important for optimum growth, 1" per week.