C.B.
Tulips like full sun. Tulips are tricky for us in North Texas because the bulbs will rot with too much water, and most of us water-water-water during the summer. If you want to keep the bulbs in the ground, then you must let the greens remain after the blooms has fallen off and let them die back; this is how the bulb gets food for dormancy. Then the bulbs need to be left alone, with only occasional watering and the ability to get completely dried out in-between waterings.