how big do pepper plants get
Plant Size and Spacing. Jalapeno pepper plants grow 24 to 30 inches tall and16 to 18 inches wide. Space the plants 12 to 18 inches apart in full sun.All pepper plants belong to the same species and can cross-pollinate.Plant different types of peppers at least 50 feet apart if you plan to harvest seeds for replanting.lant Size and Spacing. Jalapeno pepper plants grow 24 to 30 inches tall and16 to 18 inches wide. Space the plants 12 to 18 inches apart in full sun.