{"product_id":"caltha-palustris-polypetala-giant-king-cup-marginal-pond-plants-mp018","title":"Caltha polypetala (Giant Marsh Marigold)","description":"\u003cp\u003e\u003cem\u003eCaltha polypetala\u003c\/em\u003e is giant marsh marigold, also called giant kingcup. It’s a bigger, bolder version of marsh marigold, with larger yellow flowers in spring. It suits bog gardens where you want early colour and a strong clump.\u003c\/p\u003e\n\u003ch3\u003eAppearance\u003c\/h3\u003e\n\u003cp\u003eIt forms rounded green leaves and produces large, buttercup-like yellow flowers in spring. It can reach 40 to 60cm tall, sometimes more in rich wet soil, and it often forms a wide clump over time.\u003c\/p\u003e\n\u003ch3\u003eCare Guide\u003c\/h3\u003e\n\u003cp\u003eIt likes wet soil and cool roots. In dry springs it can flower poorly, so moisture is key.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSun:\u003c\/strong\u003e Sun to part shade.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil:\u003c\/strong\u003e Rich, wet soil with plenty of organic matter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater:\u003c\/strong\u003e Keep consistently wet, especially in spring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAfter flowering:\u003c\/strong\u003e Remove spent stems and old leaves for a tidy clump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDivision:\u003c\/strong\u003e Divide in spring or autumn if the clump becomes too large.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn liner bogs, plant it slightly lower so the crown stays damp through spring. That’s when it needs water most.\u003c\/p\u003e\n\u003ch3\u003eSuitability for Bog Garden\u003c\/h3\u003e\n\u003cp\u003eThis is excellent for bog gardens as an early-season feature plant. Place it where you will see it in spring, then let later plants grow up around it as the year goes on.\u003c\/p\u003e\u003cp\u003eIt also works at pond margins in baskets, as long as the crown is not submerged too deeply.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhen does \u003cem\u003eCaltha polypetala\u003c\/em\u003e flower?\u003c\/strong\u003e\u003cbr\u003eUsually in spring, often March to May depending on the season.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it bigger than normal marsh marigold?\u003c\/strong\u003e\u003cbr\u003eYes. Flowers and clumps are typically larger and bolder.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it grow in shallow water?\u003c\/strong\u003e\u003cbr\u003eIt prefers wet soil. Very shallow water around the roots is fine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I divide it?\u003c\/strong\u003e\u003cbr\u003eYes. Divide in spring or autumn if the clump gets too large.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"When does Caltha polypetala flower?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Usually in spring, often March to May depending on the season.\"}}, {\"@type\": \"Question\", \"name\": \"Is it bigger than normal marsh marigold?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Flowers and clumps are typically larger and bolder.\"}}, {\"@type\": \"Question\", \"name\": \"Can it grow in shallow water?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It prefers wet soil. Very shallow water around the roots is fine.\"}}, {\"@type\": \"Question\", \"name\": \"Can I divide it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Divide in spring or autumn if the clump gets too large.\"}}]}\u003c\/script\u003e","brand":"Lincspplants","offers":[{"title":"1 \/ 7cm","offer_id":51236360945944,"sku":"MP018-plug","price":2.6,"currency_code":"GBP","in_stock":false},{"title":"1 \/ 9cm","offer_id":51236360978712,"sku":"MP018-9cm","price":6.8,"currency_code":"GBP","in_stock":false},{"title":"1 \/ 9cm Potted","offer_id":51236361011480,"sku":"MP018-9cmpot","price":8.8,"currency_code":"GBP","in_stock":false},{"title":"1 \/ 1Ltr","offer_id":51236361044248,"sku":"MP018-1ltr","price":10.72,"currency_code":"GBP","in_stock":false},{"title":"1 \/ 1Ltr Potted","offer_id":51236361077016,"sku":"MP018-1ltrpot","price":12.67,"currency_code":"GBP","in_stock":false},{"title":"1 \/ 3Ltr","offer_id":51236361109784,"sku":"MP018-3ltr","price":19.5,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 3Ltr Potted","offer_id":51236361142552,"sku":"MP018-3ltrpot","price":23.4,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 2 x Pot \u0026 2 x Compost","offer_id":51648470909208,"sku":"MP018-2xpot-2xcompost","price":24.0,"currency_code":"GBP","in_stock":false},{"title":"3 \/ 7cm","offer_id":51648470778136,"sku":"MP018-Plug-3x","price":7.41,"currency_code":"GBP","in_stock":false},{"title":"3 \/ 9cm","offer_id":51648470810904,"sku":"MP018-9cm-3x","price":19.38,"currency_code":"GBP","in_stock":false},{"title":"3 \/ 1Ltr","offer_id":51648470843672,"sku":"MP018-1Ltr-3x","price":30.55,"currency_code":"GBP","in_stock":false},{"title":"3 \/ 3Ltr","offer_id":51648470876440,"sku":"MP018-3Ltr-3x","price":30.55,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/2075\/9064\/files\/71be56fee931caae91aa038fb6c252af-scaled.jpg?v=1765308982","url":"https:\/\/sarracenia.house\/products\/caltha-palustris-polypetala-giant-king-cup-marginal-pond-plants-mp018","provider":"Sarracenia House","version":"1.0","type":"link"}