A short- Red Creole onions are small to medium in size with pungent red-purple flesh and tolerant to disease with very little bolt resistance, so planting these onions plants a bit later will decrease the number of bulbs that bolt.. Well adapted to all short day growing areas. At maturity, you will find yourself with a dark-red, globe-shaped, pungent onion about 3-4 inches in diameter. Once planted by transplant, they take about 110 days until harvest and then can be stored for approximately 6-7 months.day, mid-sized onion. Excellent for storing, the hard, thick, flattened pale red bulbs have pungent, spicy purple-red flesh.