{"product_id":"hosta-american-sweetheart-white-centre-tetraploid-hansen","title":"Hosta 'American Sweetheart' | White Centre Dark Green Margin Tetraploid Sport of Sea Thunder Hansen","description":"\u003ch2\u003e\u003cem\u003eCrisp Tetraploid Contrast for the Canadian Shade Garden\u003c\/em\u003e\u003c\/h2\u003e\n\u003cp\u003eHans Hansen of Walters Gardens registered Hosta 'American Sweetheart' in 2002 as a tetraploid sport of the classic 'Sea Thunder'. The tetraploid status gives it significantly thicker leaf substance and greater garden vigour than its parent. Upright, heart-shaped leaves emerge with a creamy-yellow centre that brightens to a clean white as the season progresses, framed by an extra-wide, dark green margin throughout. At 61 cm (24\") tall and 104 cm (41\") wide, it forms a bold, vase-shaped mound that anchors shaded borders with striking presence. Hardy from Zone 3 through 9, it is a reliable and luminous performer across Canada.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrisp white centre with seasonal shift:\u003c\/strong\u003e Leaves emerge creamy-yellow and brighten to a clean, stable white by midsummer, creating a sharp halo effect against the saturated dark green margins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTetraploid leaf substance:\u003c\/strong\u003e Thicker, leathier foliage than standard diploid hostas, offering elite natural resistance to slug damage and outstanding garden durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpright vase-shaped habit:\u003c\/strong\u003e The architectural mound adds vertical interest and allows smaller companion plants to be tucked naturally around its base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuminous shade presence:\u003c\/strong\u003e The wide white centres act as a natural reflector, brightening the darkest corners of a woodland border or shaded garden bed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLavender summer flowers:\u003c\/strong\u003e Elegant blooms rise on sturdy upright scapes in mid-to-late summer, adding a soft finishing touch and attracting local pollinators.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize (H × W)\u003c\/td\u003e\n\u003ctd\u003e61 cm × 104 cm (24\" × 41\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardiness Zone\u003c\/td\u003e\n\u003ctd\u003e3–9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColour\u003c\/td\u003e\n\u003ctd\u003eCreamy-yellow to white centre, wide dark green margin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Requirements\u003c\/td\u003e\n\u003ctd\u003ePartial to full shade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eGrower's Tip:\u003c\/strong\u003e 'American Sweetheart' handles Canadian winters with ease from Zone 3 through 9, and its tetraploid toughness makes it one of the most reliable white-centred hostas for gardens from Winnipeg, MB to St. John's, NL. We grow every division at our nursery in Bécancour, QC, monitoring the creamy-to-white centre transition and wide green margins before any plant leaves us. Our True to Type standard means you receive the authentic Hosta 'American Sweetheart' — Hans Hansen’s original tetraploid selection, verified and ready for your garden.\u003c\/p\u003e","brand":"Hosta Choice Gardens | Canada","offers":[{"title":"4.7\" pot (2nd year plants)","offer_id":46564653826300,"sku":"AS-2441-4","price":16.0,"currency_code":"CAD","in_stock":true},{"title":"Trade 1 gallon","offer_id":48863350030588,"sku":"AS-2441-1G","price":16.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/8249\/6764\/files\/hosta-american-sweetheart-clump-closeup-jpg.jpg?v=1744841479","url":"https:\/\/www.hostachoicegardens.ca\/en-ca\/products\/hosta-american-sweetheart-white-centre-tetraploid-hansen","provider":"Hosta Choice Gardens ","version":"1.0","type":"link"}