About This High Germination Rate: Our hibiscus flowers seeds boast up to 90% sprout success. Best in USDA zones 4–9, hibiscus plant thrives in full sun, adding vivid color to gardens or containers. Beginner-Friendly: Simply soak these hibiscus seeds for planting 24 hours, then plant 1/4 inch deep. Ideal garden seeds for USDA zones 4–9 with partial shade to full sun. Vibrant Pink Blooms: Expect 3–5 in. wide hibiscus flower heads mid-summer to fall. Space plants 36–48 in., a top choice in perennial flower seeds to plant outside for lasting color. Low Maintenance: These rare hibiscus seeds flourish in 70–85°F, needing low to average watering. Keep soil well-drained and fertilize lightly for a lush, exotic hibiscus display. Pollinator Friendly: This hardy perennial hibiscus seeds variety beckons hummingbirds and butterflies. A top pick in summer flower seeds for a lush, wildlife-filled haven. Overview Indoor/Outdoor Usage : Indoor, Outdoor Brand : KVITER Material Feature : Organic Color : Multi Special Feature : heirloom Expected Blooming Period : Summer to Fall Sunlight Exposure : Full Sun Unit Count : 30 Count Expected Planting Period : Spring to Fall Product Care Instructions : Easy To Care