Helianthus annuus
All the colors of autumn are featured in this mix of burgundy, red, gold, yellow and bi-colored flowers. Large, 8-inch blooms with long stems make great floral arrangements. Good choice for any sunny garden. Ht. 5-7 ft.
1g.
Light | Full sun |
Bloom time | Mid-Late |
Plant spacing | 8-10 inches |
Planting depth | 1/2 inch |
Days to germinate | 10-14 |
Plant height | 5-7 feet |
Gardener’s Notes: Plant seed in late spring after temperatures stay above 50F (10C). Seed can be started indoors 2-3 weeks before planting outdoors. Small plants transplant best. Outdoors, plant in average, well-drained soil, spacing seeds 4 inches apart. Thin seedlings when they are 3 inches tall. Sunflowers tolerate dry conditions, but grow best when watered regularly throughout the season.