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Details
The impressive single, large flowers of this plant feature 10-inch heads on 3-4 foot tall plants, displaying a warm sunflower yellow with a dark center that makes an excellent subject for containers, especially when placed where the flowers' geometric centers can be appreciated up close. Sunflower seeds, known for being among the easiest flower seeds to grow, make a significant statement in the summer landscape.
Michigan Seeds and Plants grown on our farm, Renegade Acres, in Howell, MI!
Certified Organic by Oregon Tilth.
Additional Info
| Botanical Name | Helianthus annuus |
|---|---|
| Life Cycle | Annual |
| Min. Time to Germinate | 10 Days |
| Max. Time to Germinate | 14 Days |
| Depth to Sow Seeds | 1/4 in. |
| When to Sow | Indoors 2-4 weeks before last spring frost, Outdoors after all danger of spring frost is past |
| Minimum Seed Spacing | 1" |
| Growing Height | 18-24 in. (45-60 cm) |
| Plant Spacing | 15-18 in. (38-45 cm) |
| Hardiness | N/A |
| Sun Exposure | Full Sun |
| Danger | N/A |
| Bloom Color | Bright Yellow |
| Bloom Time | Late Summer/Early Fall, Mid-Summer |
| Foliage | Chartreuse (Yellow-Green), Herbaceous |
| Other Details | Average Water Needs; Water regularly; do not overwater, Flowers are good for cutting, This plant is resistant to deer |
| Soil pH Requirements | 6.1 to 6.5 (mildly acidic), 6.6 to 7.5 (neutral), 7.6 to 7.8 (mildly alkaline), 7.9 to 8.5 (alkaline) |
| Propagation Methods | From seed; direct sow after last frost, From seed; sow indoors before last frost |
| Seed Collecting | Allow seedheads to dry on plants; remove and collect seeds, Bag seedheads to capture ripening seed |
| Seeds Per Pack | 25 |
