{"product_id":"sow-right-seeds-mammoth-sunflower-seeds-grow-giant-8-12-ft-sunflowers-non-gmo-heirloom-open-pollinated","title":"Sow Right Seeds Mammoth Sunflower Seeds – Grow Giant 8–12 ft Sunflowers | Non-GMO Heirloom, Open-Pollinated","description":"\u003cdiv\u003e\n  \u003cp\u003eDiscover Mammoth Sunflower seeds from Sow Right Seeds and add monumental, sun-drenched blooms to your outdoor space. These open-pollinated, non-GMO heirloom seeds lift tall stalks into bright yellow glory, creating a dramatic focal point in any garden bed or border. With a robust growth habit and easy-to-follow instructions, they’re a reliable choice for both seasoned gardeners and new plant parents.\u003c\/p\u003e\n  \u003ch3\u003eWhy Mammoth Sunflowers fit a home garden\u003c\/h3\u003e\n  \u003cp\u003ePacked with character, Mammoth sunflowers routinely reach heights of 8 to 12 feet, delivering large, vibrant faces that follow the sun across the sky. The seeds in each packet are open-pollinated, making it simple to save a portion for the next planting season. This variety also offers the chance to harvest seeds for roasting, snacking, or sharing with friends and neighbors.\u003c\/p\u003e\n  \u003cp\u003eGrowers appreciate the plant’s straightforward needs. The seeds germinate in as little as 7 to 14 days under warm soil (around 70–75°F). Plant them about an inch deep and space plants roughly 3 feet apart in full sun for optimal air circulation and support as the stems rise toward the light.\u003c\/p\u003e\n  \u003ch3\u003eGrowing basics you can count on\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHeight and spread: 8–12 ft tall with a 2–3 ft spread, ideal for garden back borders and visual impact.\u003c\/li\u003e\n    \u003cli\u003eMaturation time: blooms typically mature in 80–90 days, giving you a season-long display.\u003c\/li\u003e\n    \u003cli\u003ePlanting specifics: sow 1 inch deep, provide full sun, and allow 3 feet between plants for sturdy stems.\u003c\/li\u003e\n    \u003cli\u003eHardiness: suitable for USDA zones 3–9, making it a versatile choice for many climates.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eWildlife, flavor, and sustainability\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePollinator-friendly: bees are drawn to the nectar, helping support a thriving garden ecosystem.\u003c\/li\u003e\n    \u003cli\u003eBird-friendly later in the season: drying seeds attract songbirds when the petals fade.\u003c\/li\u003e\n    \u003cli\u003eHarvest-ready seeds: save, roast, or sprinkle seeds from your own plants for future seasons.\u003c\/li\u003e\n    \u003cli\u003eSmart and sustainable: Sow Right Seeds runs on solar power and participates in the Safe Seed Pledge for fresh, non-GMO heirlooms.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eInside each packet, you’ll find clear planting instructions and the assurance of support from a team ready to answer questions. If germination doesn’t meet your expectations, we’re committed to making it right, respecting your gardening goals and time.\u003c\/p\u003e\n  \u003cp\u003eWhether you’re creating a dramatic garden statement, attracting pollinators, or simply enjoying the seasonal brightness of a classic sunflower, Mammoth Sunflower seeds offer a rewarding, low-stress path to a vivid outdoor experience. Consider them a versatile addition to borders, hedges, or sunny open spaces where their taller stalks can stand up to summer light and wind while glowing with warm, cheery color.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these seeds non-GMO and suitable for saving year to year?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Mammoth Sunflower seeds are open-pollinated and non-GMO, designed for easy seed saving.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How tall do they grow and when should I plant them?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They reach about 8–12 ft tall. Plant 1 inch deep, 3 feet apart, in full sun; blooms emerge in 80–90 days.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sow Right Seeds","offers":[{"title":"Default Title","offer_id":45740244238522,"sku":"B096G8CBVG","price":36.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/sow-right-seeds-mammoth-sunflower-seed-packet.jpg?v=1774771108","url":"https:\/\/gardencanada.ca\/products\/sow-right-seeds-mammoth-sunflower-seeds-grow-giant-8-12-ft-sunflowers-non-gmo-heirloom-open-pollinated","provider":"Garden Canada","version":"1.0","type":"link"}