v17-Onion
3/14/2021
50-75F
1/8-1/2”
Start up to 10-12 seeds in a 4-6 in pot. Place in a warm location and keep moist.
Seeds sprout in 5 days at 70F. Sprinkle about 20 seeds of each variety into cups filled with vermiculite 8-12 weeks before last spring frost. Keep warm (70F) until sprouted; move to full sunlight as soon as first shoots appear, then pot up in seedling trays as soon as plants are large enough (usually 1-3 weeks).
At 4 weeks before the last spring frost, shake most of the vermiculite from young plants and gather them together in small bunches. With scissors, cut off both the tops and the roots so the plant is balanced with about 2” of each. Make a hole at each space in your planting square with a pencil and slip in a plant, firm the soil, and water.
If you cannot translplant outside before the tops reach 5”, then cut back the tops to 3”.
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