Bio Onion White Lisbon seeds, in the Organic seeds for sale category of Seeds4Garden, comes in a 700 size that you can plant in March to get it in July.
Organic seeds for sale
To get tender spring onion for salad greens, pull up when the plants have 10-15 cm height. From early until late spring in open ground in rows. After approx. 6 weeks thin out slightly.
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Bio Onion White Lisbon Features
Seeds pack size: 700
Flowering Month: July
Planting Month: March