Swan Milkweed Seeds - 10 Count Scientific Name: Gomphocarpus fruticosus (syn. Asclepias fruticosa) Color: Creamy white flowers Planting Instructions: Plant Seeds: Sow outdoors after the danger of frost has passed, or cold stratify for 2 weeks. Indoor sowing can be done weeks before the last frost for early growth. Bloom Time: Produces lovely creamy white flowers from late spring to early fall, with blooming nearly year-round in warmer climates where it's perennial. Hardiness Zone: Thrives in zones 8 - 11; behaves as an annual in cooler zones. Plant Height: Grows tall, reaching heights of 6 - 8 feet, or 4 - 6 feet when grown as an annual. Plant Spacing: Space plants 2 - 3 feet apart to accommodate their growth. Light Requirements: Prefers full sun, ideal for sunny garden spots. Soil Water Preferences: Enjoys average soil conditions, making it easy to care for. Quantity: 10 seeds per pack