1. Quality When selecting your bulbs, look for those that are plump and firm. Avoid any that are soft and mushy, or have mold. Also the bigger the better; generally the bigger the bulb the more they bloom compared to smaller bulbs if the same variety. 2. Location Health bulbs will fail if planted in the wrong spot. Majority of bulbs thrive best in full sun. This means 6 hours of direct sun a day. Well drained soil is preferred as well. 3. Timing Spring blooming bulbs like tul