When planting peppers make sure that the all the dangers of the frost has passed. If there are implications of frost then you can start indoors.
Peppers need warm soil so make sure the soil is well drained and gets full sun. You can also mix compost and manure into the soil which will make sure that the pepper plants gets enough nutrients when they are growing.
Make sure that the soil is evenly moist. Pepper plants require at least 1.5 inch of water a week. You can conserve the moisture by putting mulch on the top of the soil.