- Hardiness Zone: 2-11 Annual
Seed Depth: 1–2 inches
Seed Spacing: 12–18 inches
Row Spacing: 24–36 inches
Sunlight: Full sun
Days to Sprout: 7–14 days
Days to Maturity: 90–100 days
Growth Habit: Tall, single-stem annual
Sunlight: Thrives in full sun, requiring at least 6–8 hours of direct sunlight daily.
Soil Type: Prefers well-drained, nutrient-rich soil with a pH of 6.0–7.5.
When to Plant: Sow seeds outdoors after the last frost, when soil temperatures are consistently above 50°F.
Direct Sowing: Plant seeds 1–2 inches deep and space them 12–18 inches apart in rows 24–36 inches apart.
Indoor Sowing: Not recommended due to the sensitivity of the taproot; sow directly outdoors.
Succession Planting: Plant every 2–3 weeks for continuous blooms during the growing season.
Watering: Water deeply and infrequently, allowing soil to dry slightly between waterings.
Fertilizing: Apply a balanced fertilizer or compost at planting and mid-season for optimal growth.
Pruning: No pruning needed; remove spent flowers to prevent seed scattering if desired.
Pest and Disease Control: Monitor for aphids and caterpillars; treat with organic insecticides if necessary.
When to Harvest: Harvest seeds when the back of the flower head turns brown, and seeds are plump and striped.
How to Harvest: Cut the flower head and hang it upside down in a dry, well-ventilated area to fully dry.
Seed Collection: Rub seeds off the dried flower head by hand or with a brush.
Storing Seeds: Store seeds in an airtight container in a cool, dry place for future planting or culinary use.
Plant Characteristics
Appearance: Bright yellow petals with a large, dark brown center and grey-striped seeds.
Height: Reaches an impressive 8–12 feet tall.
Growth Habit: Tall and sturdy, with a single large bloom atop a thick stem.
Flavor and Culinary Uses
Flavor Profile: Seeds are mild, nutty, and crunchy when roasted.
Culinary Uses: Harvest seeds for snacking, baking, or adding to salads and granolas. Young sunflower buds can also be steamed and eaten like artichokes.
Companion Planting Tips
Best Companions: Grows well with squash, cucumbers, and pole beans, offering natural shade and support.
Avoid: Avoid planting near potatoes, as sunflowers may inhibit their growth.
Common Issues and Solutions
Weak Stems: Provide support with stakes if growing in windy areas or plant in sheltered locations.
Pests: Use organic solutions such as neem oil to manage aphids or caterpillars.
Poor Growth: Ensure soil is nutrient-rich and avoid overwatering.
Seeds Per Packet
| 1g | Approximately 15 |
| 3g | Approximately 45 |
| 5g | Approximately 75 |
| 7g | Approximately 105 |
Plant Characteristics
Appearance: Bright yellow petals with a large, dark brown center and grey-striped seeds.
Height: Reaches an impressive 8–12 feet tall.
Growth Habit: Tall and sturdy, with a single large bloom atop a thick stem.
Flavor and Culinary Uses
Flavor Profile: Seeds are mild, nutty, and crunchy when roasted.
Culinary Uses: Harvest seeds for snacking, baking, or adding to salads and granolas. Young sunflower buds can also be steamed and eaten like artichokes.
Companion Planting Tips
Best Companions: Grows well with squash, cucumbers, and pole beans, offering natural shade and support.
Avoid: Avoid planting near potatoes, as sunflowers may inhibit their growth.
Common Issues and Solutions
Weak Stems: Provide support with stakes if growing in windy areas or plant in sheltered locations.
Pests: Use organic solutions such as neem oil to manage aphids or caterpillars.
Poor Growth: Ensure soil is nutrient-rich and avoid overwatering.
Seeds Per Packet
| 1g | Approximately 15 |
| 3g | Approximately 45 |
| 5g | Approximately 75 |
| 7g | Approximately 105 |
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