When growing pepper plants from seeds, plant high-quality seeds into a peaty potting soil that retains moisture well. Plant the seeds a quarter-inch deep before watering with gardening advice from a professional horticulturist in this free video on growing vegetables. Expert: Stan DeFreitas Bio: Stan DeFreitas, also known as Mr. Green Thumb, has experience as an urban horticulturist working for the Pinellas County Extension Service and has taught horticulture at the St. Petersburg College. Filmmaker: Christopher Rokosz