{"product_id":"pontederia-cordata-pickerel-weed-marginal-pond-plants-mp092","title":"Pontederia cordata (Pickerel Weed)","description":"\u003cp\u003e\u003cem\u003ePontederia cordata\u003c\/em\u003e is pickerel weed, a classic pond-margin plant with upright blue-purple flower spikes in summer. It’s a solid choice when you want a clump-forming marginal that looks good from June right into early autumn.\u003c\/p\u003e\n\u003ch3\u003eAppearance\u003c\/h3\u003e\n\u003cp\u003eIt has heart-shaped leaves on sturdy stalks. From mid summer, it sends up spikes packed with small violet-blue flowers. In the right spot it often reaches 60 to 90cm, sometimes taller if the basket is deep and well fed.\u003c\/p\u003e\n\u003ch3\u003eCare Guide\u003c\/h3\u003e\n\u003cp\u003eGrow it as a marginal in a basket or planted into heavy soil at the edge. Warmth and sun make a big difference to flowering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSun:\u003c\/strong\u003e Full sun gives the best flower spikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil:\u003c\/strong\u003e Aquatic compost or heavy loam in a 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 30cm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeeding:\u003c\/strong\u003e Aquatic fertiliser tablets help in containers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTidy up:\u003c\/strong\u003e Cut dead stems back in late winter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf the clump becomes crowded, lift and split it in spring. Replant strong pieces and it will bulk up again quickly.\u003c\/p\u003e\n\u003ch3\u003eSuitability for Bog Garden\u003c\/h3\u003e\n\u003cp\u003eThis suits bog gardens when you have a true wet zone or a pond shelf. If your bog is only damp, it can grow, but it tends to flower better with water around the basket.\u003c\/p\u003e\u003cp\u003eUse it as a mid to back plant and put lower growers in front. It also works as a marker plant near corners and steps because the leaves stay upright and clear.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhen does \u003cem\u003ePontederia cordata\u003c\/em\u003e flower?\u003c\/strong\u003e\u003cbr\u003eUsually mid summer into early autumn, depending on warmth and sun.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow deep should it sit in water?\u003c\/strong\u003e\u003cbr\u003eAs a marginal, with shallow water over the soil, often around 10 to 30cm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I grow it in a bog garden without standing water?\u003c\/strong\u003e\u003cbr\u003eIt can grow in saturated soil, but it often flowers better as a true marginal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to divide it?\u003c\/strong\u003e\u003cbr\u003eDivide in spring when the clump gets crowded or growth slows.\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 Pontederia cordata flower?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Usually mid summer into early autumn, depending on warmth and sun.\"}}, {\"@type\": \"Question\", \"name\": \"How deep should it sit in water?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"As a marginal, with shallow water over the soil, often around 10 to 30cm.\"}}, {\"@type\": \"Question\", \"name\": \"Can I grow it in a bog garden without standing water?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It can grow in saturated soil, but it often flowers better as a true marginal.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need to divide it?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Divide in spring when the clump gets crowded or growth slows.\"}}]}\u003c\/script\u003e","brand":"Lincspplants","offers":[{"title":"1 \/ 7cm","offer_id":51236406165784,"sku":"MP092-plug","price":2.6,"currency_code":"GBP","in_stock":false},{"title":"1 \/ 9cm","offer_id":51236406198552,"sku":"MP092-9cm","price":6.8,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 9cm Potted","offer_id":51236406231320,"sku":"MP092-9cmpot","price":8.8,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 1Ltr","offer_id":51236406264088,"sku":"MP092-1ltr","price":10.72,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 1Ltr Potted","offer_id":51236406296856,"sku":"MP092-1ltrpot","price":12.67,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 3Ltr","offer_id":51236406329624,"sku":"MP092-3ltr","price":19.5,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 3Ltr Potted","offer_id":51236406362392,"sku":"MP092-3ltrpot","price":23.4,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 2 x Pot \u0026 2 x Compost","offer_id":51236406526232,"sku":"MP092-2xpot-2xcompost","price":24.0,"currency_code":"GBP","in_stock":true},{"title":"3 \/ 7cm","offer_id":51714739732760,"sku":"MP092-Plug-3x","price":7.41,"currency_code":"GBP","in_stock":false},{"title":"3 \/ 9cm","offer_id":51714739765528,"sku":"MP092-9cm-3x","price":19.38,"currency_code":"GBP","in_stock":true},{"title":"3 \/ 1Ltr","offer_id":51714739798296,"sku":"MP092-1Ltr-3x","price":30.55,"currency_code":"GBP","in_stock":true},{"title":"3 \/ 3Ltr","offer_id":51714739831064,"sku":"MP092-3Ltr-3x","price":55.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/2075\/9064\/files\/Pontederia-cordata-Blue-Pickerel-weed-1-scaled.jpg?v=1768673398","url":"https:\/\/sarracenia.house\/products\/pontederia-cordata-pickerel-weed-marginal-pond-plants-mp092","provider":"Sarracenia House","version":"1.0","type":"link"}