Onions Growing Instructions Print


Onions grow best in fertile, well-draining soil. This should also be worked with organic matter, such as compost. Onion seeds can be planted directly in the garden bed. start seeds inside in January or February (at least two months before the last frost). sow seeds 1⁄4 inch deep in flats filled with soilless potting mix. cover the flats with a plastic top to keep in moisture, and place them on the heated floor of the sun¬room. Onions germinate in just a week at around 70°F. Once their stringlike tops poke through the soil, change the growing conditions. remove the plastic top and keep them in an area with plenty of light. feed the seedlings with a water-soluble fertilizer at half strength every other time I water, being careful not to keep them too wet.


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