{"product_id":"pontederia-cordata-lanceolata-giant-pickerel-weed-marginal-pond-plants-mp095","title":"Pontederia lanceolata (Giant Pickerel Weed)","description":"\u003cp\u003e\u003cem\u003ePontederia lanceolata\u003c\/em\u003e is giant pickerel weed, a taller, chunkier cousin of standard pickerel weed. It’s grown for upright leaf clumps and long blue flower spikes in summer, and it suits pond shelves and very wet bog corners.\u003c\/p\u003e\n\u003ch3\u003eAppearance\u003c\/h3\u003e\n\u003cp\u003eLeaves are long and lance-shaped, held upright on strong stalks. Flower spikes are blue to violet and appear in mid to late summer. In warm, wet conditions it can reach around 1 to 1.5m tall, so it reads as a background marginal.\u003c\/p\u003e\n\u003ch3\u003eCare Guide\u003c\/h3\u003e\n\u003cp\u003eGrow it as a true marginal, with constant water around the roots. It responds well to feeding in baskets.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSun:\u003c\/strong\u003e Full sun gives the best height and flower spikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil:\u003c\/strong\u003e Aquatic compost in a deep basket, topped with gravel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater depth:\u003c\/strong\u003e Shallow water over the soil line, often around 10 to 40cm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeeding:\u003c\/strong\u003e Aquatic fertiliser tablets through summer help flowering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTidy up:\u003c\/strong\u003e Cut back old stems in late winter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDivide in spring if the clump becomes too large for its basket. Replant firm sections and keep them wet while they settle.\u003c\/p\u003e\n\u003ch3\u003eSuitability for Bog Garden\u003c\/h3\u003e\n\u003cp\u003eThis suits larger bog gardens and ponds where you want a tall structural plant that flowers in summer. It’s great behind lower marginals like water forget-me-not and marsh marigold.\u003c\/p\u003e\u003cp\u003eIn smaller bog beds, it can still work if you give it a back corner and keep it in a basket so it doesn’t crowd everything else.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cp\u003e\u003cstrong\u003eHow tall does \u003cem\u003ePontederia lanceolata\u003c\/em\u003e get?\u003c\/strong\u003e\u003cbr\u003eOften around 1 to 1.5m in warm, wet conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen does it flower?\u003c\/strong\u003e\u003cbr\u003eUsually mid to late summer with blue to violet spikes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it grow in a bog garden?\u003c\/strong\u003e\u003cbr\u003eYes, if the soil stays saturated or the pot sits in shallow water.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to feed it?\u003c\/strong\u003e\u003cbr\u003eFeeding helps in baskets and usually improves flowering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How tall does Pontederia lanceolata get?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Often around 1 to 1.5m in warm, wet conditions.\"}}, {\"@type\": \"Question\", \"name\": \"When does it flower?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Usually mid to late summer with blue to violet spikes.\"}}, {\"@type\": \"Question\", \"name\": \"Can it grow in a bog garden?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, if the soil stays saturated or the pot sits in shallow water.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need to feed it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Feeding helps in baskets and usually improves flowering.\"}}]}\u003c\/script\u003e","brand":"Lincspplants","offers":[{"title":"1 \/ 7cm","offer_id":51236391289112,"sku":"MP095-plug","price":2.6,"currency_code":"GBP","in_stock":false},{"title":"1 \/ 9cm","offer_id":51236391321880,"sku":"MP095-9cm","price":6.8,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 9cm Potted","offer_id":51236391354648,"sku":"MP095-9cmpot","price":8.8,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 1Ltr","offer_id":51236391387416,"sku":"MP095-1ltr","price":10.72,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 1Ltr Potted","offer_id":51236391420184,"sku":"MP095-1ltrpot","price":12.67,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 3Ltr","offer_id":51236391452952,"sku":"MP095-3ltr","price":19.5,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 3Ltr Potted","offer_id":51236391485720,"sku":"MP095-3ltrpot","price":23.4,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 2 x Pot \u0026 2 x Compost","offer_id":51657317777688,"sku":"MP095-2xpot-2xcompost","price":24.0,"currency_code":"GBP","in_stock":true},{"title":"3 \/ 7cm","offer_id":51714725740824,"sku":"MP095-Plug-3x","price":7.41,"currency_code":"GBP","in_stock":false},{"title":"3 \/ 9cm","offer_id":51714725773592,"sku":"MP095-9cm-3x","price":19.38,"currency_code":"GBP","in_stock":true},{"title":"3 \/ 1Ltr","offer_id":51714725806360,"sku":"MP095-1Ltr-3x","price":30.55,"currency_code":"GBP","in_stock":true},{"title":"3 \/ 3Ltr","offer_id":51714725839128,"sku":"MP095-3Ltr-3x","price":55.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/2075\/9064\/files\/product_p_o_pontederia-lanceolata-85_720x600_29f9f0b6-bfd4-437a-b178-0c10473d95c6.jpg?v=1770394522","url":"https:\/\/sarracenia.house\/products\/pontederia-cordata-lanceolata-giant-pickerel-weed-marginal-pond-plants-mp095","provider":"Sarracenia House","version":"1.0","type":"link"}