Sunzilla Sunflower Seeds – Heirloom, Non-GMO Giant Sunflower Seeds for Planting Gardens
Germination depends on soil, temperature, moisture, and care.
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- 30-day return on unopened packets
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Overview
Grow towering, cheerful blooms with Sunzilla Sunflower Seeds. These heirloom, non-GMO seeds produce giant sunflowers with bright yellow petals and large, sturdy stems, making them perfect for garden beds, borders, and backyard displays. Known for their easy growth and striking size, Sunzilla sunflowers attract pollinators and bring a bold, sunny presence to any outdoor space.
Features & Specifications:
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Plant Type: Annual flowering plant
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Seed Type: Heirloom, non-GMO
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Flower Color: Bright yellow with dark centers
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Growth Height: 6–12 feet tall
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Uses: Garden beds, borders, backyard displays, pollinator-friendly planting
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Seasonal Interest: Summer to early fall flowering with long-lasting blooms
Planting & Sowing Instructions:
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Soil Preparation: Use well-draining, fertile soil enriched with compost.
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Sowing Depth: Sow seeds 1–2 inches deep directly into soil.
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Spacing: Space seedlings 18–24 inches apart for optimal growth.
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Germination Time: 7–14 days under warm temperatures (70–85°F).
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Sunlight: Full sun for best flowering and stem strength.
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Watering: Keep soil evenly moist during germination; moderate watering once seedlings establish.
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Care: Stake taller plants if necessary; remove faded blooms to encourage further flowering and seed production.
How to plant these seeds
Plant in a prepared growing area with proper light, suitable soil, and steady moisture. Match sowing time to your local season.
- Choose the right seasonSow during the recommended planting window for your climate so seedlings can establish without stress.
- Prepare the growing areaLoosen the soil, remove weeds and debris, and improve drainage before sowing.
- Check seed depthPlant at the proper depth for the variety, keeping small seeds lightly covered.
- Water gentlyMist or water with a soft flow so the soil stays evenly moist without washing seeds away.
- Thin or transplant carefullyOnce seedlings are strong enough to handle, give each plant room for healthy growth.
Ongoing care schedule
A little consistent attention through the season keeps leaves tender and harvests steady.
- Week 1 — water dailyKeep the seed bed lightly moist while germination completes.
- Week 2 — thin seedlingsRemove the weakest sprouts so remaining plants have room to fill out.
- Week 3 — light feedingWork in a mild balanced fertilizer or compost tea if growth looks slow.
- Week 4 onward — weed and watchKeep beds weed-free and check leaves for early signs of pests.
Shipping details
All seed orders are packed and dispatched with care to protect viability in transit.
- Processing timeOrders ship within 1–2 business days.
- Delivery window5–10 business days, with tracking provided.
- PackagingSeeds are sealed in moisture-resistant foil packets.
- ReturnsUnopened packets may be returned within 30 days of delivery.
- Delivers in 5–10 business days
- Fresh-sealed foil packets
- Open-pollinated, non-GMO
Follow planting instructions for best results.
About this variety
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