Sow seeds directly (outside) anytime 5/1-9/1, ¼” deep, 1-2” apart in rows spaced 12-18” apart. Seeds are slow to germinate, especially in cooler temperatures.
Or, scallions can also be started in containers anytime February-August. Days to germination 4-13. Transplant when plants are at least 1/2 of the thickness of a pencil. Transplant 2” apart in rows spaced 12-18”.
These scallions are super cold hardy and typically perennial so you can leave some plants to over-winter. In Spring they will divide and grow into clusters. Clumps can be divided in second year or harvested.
Be sure to keep patch well weeded, as scallions are not strong competitors.
Harvest greens anytime by cutting. To harvest whole plants, dig and remove. To grow as a perennial plant, divide plants during harvest and re-plant some whole plants.
Scallions are biennial, and will form flowering seed heads in the second summer after planting. Once the seed heads start drying, harvest into bag and bring inside to finish drying. Separate seeds from chaff by shaking bag or threshing seed heads. Winnow to separate seeds from chaff. Store seeds only once fully dry. Minimum population 5 plants, 20-50 being more ideal. Isolation distance 800 ft.
Our Recommendations with Evergreen Hardy Organic Scallion