{"product_id":"r-marinus-koster","title":"R. 'Marinus Koster'","description":"\u003cp\u003eOne of the parents of R. 'Point Defiance' that, in my opinion, has the largest flowers of all rhododendrons, with trusses sometimes 18-20 inches tall. R. 'Marinus Koster' was created in England by \u003cspan\u003eKoster M. \u0026amp; Sons nursery in the 1930's. Rare in the trade. This plant is most likely a polyploid with more chromosomes than other rhododendrons. Thicker leaves and stems, and larger flower clusters. Hardy to zone 7. \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Singing Tree Gardens Nursery","offers":[{"title":"1 gal size","offer_id":71247663530237,"sku":null,"price":35.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1342\/7035\/files\/MarinusKosterGibsontext25.jpg?v=1788558850","url":"https:\/\/singtree.com\/products\/r-marinus-koster","provider":"Singing Tree Gardens Nursery","version":"1.0","type":"link"}