A huge risk is that the buyers fail to close. You wouldnât believe some of the things that can happen, over my 19 years in real estate I have witnessed some crazy things. Everything from the lender going bankrupt after closing but before recording, to the buyer getting fired the night before the closing.
1 Soil needs to be well-drained, loose, and rich in nitrogen; compact soil affects bulb development. 2  Till in aged manure or fertilizer the fall before planting. 3  Onions are heavy feeders and need constant nourishment to produce big bulbs.
Turn lots of well-aged compost and manure into the onion bed in advance of planting; turn the soil to at least 8 inches deep. Onions prefer a soi pH of 6.0 to 7.5. â¢ Starting seeds. Sow onion seeds indoors 8 to 12 weeks before the last average frost date.ong-day onions require long hours of daylightâ14 to 16 hours per dayâto reach maturity. Long-day onions grow best in northern latitudes. Short-day onions grow best in mild-winter southern latitudes. They grow through the fall and winter and form bulbs when daylight increases to 12 hours per day in early summer.