Spring/summer bloomFrost tolerant
Sow seeds directly in deep containers at least 8 inches in diameter, or rectangular window boxes at least 6 inches deep once danger of hard frost is over. Sweet peas grow best in cool weather and can handle light frosts. In mild winter areas, plant in fall weather to overwinter for spring bloom. Always fill planting containers with well moistened, good quality, fresh potting soil before planting seeds 1 inch deep and 2 to 3 inches apart.
Space seedlings 3 to 4 inches apart when they are 2 inches tall, allowing room for plants to mature, but leaving 5 to 6 plants in a 12 inch diameter container Growing Notes Sweet peas bloom best before the weather gets too hot. When seedlings have 3 to 4 sets of leaves, pinch off top set to encourage branching for a bushy full plant. Young plants will grow 8 to 10 inches tall, then cascade over the sides of containers. It’s critical to keep your container sweet peas well-watered and remember to fertilize them regularly every two weeks with liquid fertilizer solution. Protect plants from slugs and snails. For longest bloom, remove faded blossoms regularly.