{"product_id":"sunflower-russian-mammoth-4g-wetsel","title":"Wetsel Seed Annual, \"Russian Mammoth Sunflower\" 4g","description":"\u003cdiv id=\"shopify-section-template--16271915090119__sub\" class=\"shopify-section product-full-width\"\u003e\n\u003cdiv class=\"page-width page-width--narrow\"\u003e\n\u003cdiv class=\"product-block\"\u003e\n\u003cdiv class=\"rte\"\u003ePlants are huge with upright heavy, tall stalk that are a good 3-4in in diameter. These giant sized sunflowers are stunning not just because they grow an average of 8-10ft but their flower head size has a diameter that can reach and amazing 12-14in. The tall stalks support bright, yellow single lush flowers with umbrella-like leaves that surround huge centers that are filled literally with up to one thousand with seeds. Sometimes the heads get so large that the stalk begins to bend but quite often they grow up straight and tall. Seeds are very attractive to birds. The flowers towering over the garden making a perfect growing screen or background for any shorter plants.\n\u003cp\u003eAnnual sunflower seeds grow best in USDA Plant Hardiness Zones 4-9, which includes much of the Northeast, Mid-Atlantic, Midwest and Pacific Northwest. Not sure whether Russian Mammoth Sunflowers will grow in your area? Call 1-888-281-9337 to speak with a Greenhouse Megastore sales associate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWetsel Russian Mammoth Sunflower Seed Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBloom Color - Yellow with Orange Center\u003c\/li\u003e\n\u003cli\u003eZone - 4-9\u003c\/li\u003e\n\u003cli\u003eGermination Time - 10-14 Days\u003c\/li\u003e\n\u003cli\u003eBlooming Season - Late Summer to Early Fall\u003c\/li\u003e\n\u003cli\u003eMaximum Height - 8-10ft\u003c\/li\u003e\n\u003cli\u003ePlant Spread - 36-40in\u003c\/li\u003e\n\u003cli\u003eBlossom Size - 12-14in\u003c\/li\u003e\n\u003cli\u003eExposure\/Light Requirement - Full Sun\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"shopify-section-template--16271915090119__collection-return\" class=\"shopify-section\"\u003e\u003c\/div\u003e","brand":"BFG Supply","offers":[{"title":"Default Title","offer_id":47321550848212,"sku":null,"price":1.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/3243\/7716\/files\/Screenshot2025-12-06at5.31.10PM.png?v=1765060277","url":"https:\/\/thegardenworldstore.myshopify.com\/products\/sunflower-russian-mammoth-4g-wetsel","provider":"Garden World","version":"1.0","type":"link"}