Be careful with that question. It is a bit misleading. Venus flytraps actually can’t be planted in standard potting soil. They need nutrient-poor, acidic media to survive. The most widely used media for Venus flytraps is a 1:1 combination of peat moss and perlite. For more information read the topic on soil for venus flytraps.
Be sure to check out the FlytrapStore Venus flytrap Soil as well, if you’re looking to purchase some pre-made soil for your pet Venus flytrap.