{"product_id":"helianthus-giganteus-giant-sunflower","title":"Helianthus giganteus (Giant Sunflower)","description":"\u003cp\u003eOne of the tallest native perennials available, giant sunflower delivers exceptional wildlife value for its size - confirmed larval host for the Silvery Checkerspot and Gorgone Checkerspot butterflies, with a rich and specific list of visiting native bee genera.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecies Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHelianthus giganteus, or giant sunflower, is a tall, rough-stemmed perennial reaching 3 to 12 feet, with a reddish-purple, hairy central stem that branches only in its upper third. Despite the name, its flower heads are comparatively small relative to the plant's impressive overall height. It's found in moist places, marshes, and wet meadows, and can even be used by beavers in dam construction.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWetland and marsh restoration - thrives in moist to wet soils\u003c\/li\u003e\n\u003cli\u003eBack-of-border and privacy screening in large native plantings\u003c\/li\u003e\n\u003cli\u003eLarval host habitat for Silvery Checkerspot and Gorgone Checkerspot butterflies\u003c\/li\u003e\n\u003cli\u003eWildlife habitat - seed heads feed birds through fall and winter\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eGrowing Conditions \/ Specification Data\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight:\u003c\/strong\u003e Full Sun\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil\/Moisture Tolerance:\u003c\/strong\u003e Moist to wet soils; marshes and wet meadows\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlant Type:\u003c\/strong\u003e Forb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMature Height:\u003c\/strong\u003e 4-8 ft. (occasionally to 12 ft.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFall Color:\u003c\/strong\u003e Insignificant\/None\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBloom Color \/ Period:\u003c\/strong\u003e Yellow; July-September\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWetland Indicator Status:\u003c\/strong\u003e FACW (Facultative Wetland)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNative Range:\u003c\/strong\u003e New York and Ontario to Minnesota, south to Georgia and Kentucky; naturalized northeastward\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydrology:\u003c\/strong\u003e Moist-Wet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoot Depth:\u003c\/strong\u003e Moderate (12-24 in.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSalinity Tolerance:\u003c\/strong\u003e Low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrowth Rate:\u003c\/strong\u003e Rapid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrought Tolerance:\u003c\/strong\u003e Low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeer Resistance:\u003c\/strong\u003e Some\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlood Tolerance:\u003c\/strong\u003e Moderate - A tall, wetland-adjacent sunflower tolerant of periodically wet soil, though less strictly wetland-associated than its relative swamp sunflower.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShade Tolerance:\u003c\/strong\u003e Intermediate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrowth Habit:\u003c\/strong\u003e Upright\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSDA Hardiness Zones:\u003c\/strong\u003e 4-8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePollinator Value:\u003c\/strong\u003e Larval host, supports bees, supports specialist\/oligolectic bees, supports butterflies\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePlanting Guidance\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSpreads by rhizome and can be aggressive - site with room to naturalize, or divide clumps periodically to control spread.\u003c\/li\u003e\u003c\/ul\u003e","brand":"Pinelands Nursery","offers":[{"title":"50 Cell 2\" Plug","offer_id":48941164986439,"sku":"HEL-GIG 50CELL","price":82.5,"currency_code":"USD","in_stock":false},{"title":"Seed","offer_id":48941165019207,"sku":"S-HELGIG","price":392.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/1649\/7991\/files\/Helianthusgiganteus4.jpg?v=1791402632","url":"https:\/\/www.pinelandsnursery.com\/products\/helianthus-giganteus-giant-sunflower","provider":"Pinelands Nursery","version":"1.0","type":"link"}