Before planting special seeds then, it is a good idea to start raising your gardening skills The Death Flower is a flower that grows on a bush. It can however only be planted by a Sim who has at least a level 7 gardening skill. This is crazy given how powerful they are The Sims 3 death flower can only be planted from special seeds found in certain places. They have no monetary value, I guess no one wants them. Carl's The Sims 3 Gardening Guide: Death Flowers Death Flowers are unique.