Planting Onion Sets

onionslipsOnion sets are in stock at Argyle Feed Store. Come by and pick them up.  Once you get them home, it’s time to get them into the ground.

The soil should be worked to a depth of 8-10″ and should have good drainage and be in full sun. Spread about 2 pounds of fertilizer (10-10-10 or 10-20-10) over a 100 square foot area and mix into the top 3-4″ of soil. Pick out the best-developed plants and plant 3/4″ to 1″ deep and 2 to 3 inches apart.

Onions require a high source of nitrogen. A nitrogen-based fertilizer (ammonium sulfate or ammonium nitrate) should be applied at the rate of one cup per twenty feet of row. The first application should be about three weeks after planting and then continue with applications every 2 to 3 weeks. Once the neck starts feeling soft, do not apply any more fertilizer. This should occur approximately four weeks before harvest. Always water immediately after feeding and maintain moisture during the growing season.

For weed control, a pre-emergent herbicide (DACTHAL) should be applied prior to planting. This will provide weed control for approximately one month after planting. Other products such as GOAL and BUCTRIL, can assist in weed control during the growing season. Always follow label instructions. For organic gardeners, a rich compost high in Nitrogen should be incorporated into the soil. Unfortunately, there is not any product available to assist in weed control so that the only method will be cultivation. While cultivating be careful not to damage the onion bulb. As the onion begins to bulb the soil around the bulb should be loose, so the onion is free to expand. Do not move dirt on top of the onion since this will prevent the onion from forming its natural bulb. Start early with cultivation practices.

Onion harvest should occur in May and June or when the onions have matured to the desired size. Pull the onions, leave laying in the row for 1-3 days for drying, clip the tops and roots and store in a cool, dry place until needed. Visit us at Argyle Feed & Hardware to pick up your onion sets as well as fertilizer, garden soil, and weed controllers.

 

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