{"product_id":"lincolnshire-pond-plants-alisma-parviflorum-american-water-plantain-pond-marginal-plant","title":"Alisma parviflorum - American Water Plantain, Pond Marginal Plant","description":"\u003cp\u003eAlisma parviflorum (now listed as Alisma subcordatum), known as American water plantain, is a North American relative of the native water plantain. It has oval, dark green leaves and, from June to September, tall, airy sprays of small white to pale pink flowers.\u003c\/p\u003e\n\u003ch2\u003eAmerican water plantain at a glance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBotanical name\u003c\/th\u003e\n\u003ctd\u003eAlisma subcordatum (syn. A. parviflorum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCommon name\u003c\/th\u003e\n\u003ctd\u003eAmerican water plantain, southern water plantain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlant type\u003c\/th\u003e\n\u003ctd\u003eClump-forming perennial; dies back in winter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight and spread\u003c\/th\u003e\n\u003ctd\u003eAbout 60 cm tall in flower (up to 90 cm), about 45 cm wide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlowers\u003c\/th\u003e\n\u003ctd\u003eSmall, white to pale pink, in airy branching sprays, June to September\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePosition\u003c\/th\u003e\n\u003ctd\u003eFull sun\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSoil\u003c\/th\u003e\n\u003ctd\u003eMud at the margins of still or slow water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePond depth\u003c\/th\u003e\n\u003ctd\u003e5–15 cm of water over the crown\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHardiness\u003c\/th\u003e\n\u003ctd\u003eNot rated by the RHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNative to\u003c\/th\u003e\n\u003ctd\u003eEastern and central North America (not UK native)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhere to plant American water plantain\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eA sunny pond shelf with 5–15 cm of water over the crown\u003c\/li\u003e\n\u003cli\u003eThe margins of garden ponds\u003c\/li\u003e\n\u003cli\u003eBeside native marginals for a light, airy contrast\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to plant and care for it\u003c\/h2\u003e\n\u003cp\u003ePlant in spring or summer in an aquatic basket. Deadhead after flowering to stop it self-seeding. As it is not native, keep it to garden ponds.\u003c\/p\u003e\n\u003ch2\u003eIs it poisonous?\u003c\/h2\u003e\n\u003cp\u003eWater plantains contain substances that are toxic if eaten, and the sap can irritate skin, so wear gloves when handling it.\u003c\/p\u003e\n\u003ch2\u003eWhich size should I buy?\u003c\/h2\u003e\n\u003cp\u003eBare-root plants (7 cm, 9 cm, 1 litre and 3 litre) arrive without a pot or compost and are the most economical way to plant a group. Potted plants (9 cm, 1 litre and 3 litre) arrive growing in our peat-free compost and give a faster display. Packs of 3 come in 7 cm, 9 cm, 1 litre and 3 litre bare-root sizes and cost less per plant. The 2x Pot \u0026amp; Compost option is two plants supplied with pots and compost.\u003c\/p\u003e\n","brand":"Lincolnshire Pond Plants","offers":[{"title":"1 \/ 7cm Bareroot","offer_id":54368642957645,"sku":"MP007-plug","price":2.6,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 9cm Bareroot","offer_id":54368642990413,"sku":"MP007-9cm","price":6.8,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 9cm Potted","offer_id":54324727185741,"sku":"MP007-9cmpot","price":8.8,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 1Ltr Bareroot","offer_id":54368643023181,"sku":"MP007-1ltr","price":10.72,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 1Ltr Potted","offer_id":54324727251277,"sku":"MP007-1ltrpot","price":12.67,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 3Ltr Bareroot","offer_id":54368643055949,"sku":"MP007-3ltr","price":19.5,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 3Ltr Potted","offer_id":54324727316813,"sku":"MP007-3ltrpot","price":23.4,"currency_code":"GBP","in_stock":true},{"title":"1 \/ 2x Pot \u0026 Compost","offer_id":54368643088717,"sku":"MP007-2xpot-2xcompost","price":24.0,"currency_code":"GBP","in_stock":true},{"title":"3 \/ 7cm Bareroot","offer_id":54368643121485,"sku":"MP007-Plug-3x","price":7.41,"currency_code":"GBP","in_stock":true},{"title":"3 \/ 9cm Bareroot","offer_id":54368643154253,"sku":"MP007-9cm-3x","price":19.38,"currency_code":"GBP","in_stock":true},{"title":"3 \/ 1Ltr Bareroot","offer_id":54368643187021,"sku":"MP007-1Ltr-3x","price":30.55,"currency_code":"GBP","in_stock":true},{"title":"3 \/ 3Ltr Bareroot","offer_id":54368643219789,"sku":"MP007-3Ltr-3x","price":55.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/6961\/6973\/files\/Alisma-parviflorum-American-water-plantain-01-scaled.jpg?v=1784368831","url":"https:\/\/thefoalyard.co.uk\/products\/lincolnshire-pond-plants-alisma-parviflorum-american-water-plantain-pond-marginal-plant","provider":"The Foalyard","version":"1.0","type":"link"}