{"product_id":"pickerelweed-pontederia-cordata","title":"Pickerelweed (Pontederia cordata)","description":"\u003cp\u003e\u003cstrong\u003eScientific Name:\u003c\/strong\u003e \u003cem\u003ePontederia cordata\u003c\/em\u003e L.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlias:\u003c\/strong\u003e North American Pickerelweed, Haishouhua (Commonly known in some markets)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlant Classification:\u003c\/strong\u003e Family Pontederiaceae, Genus Pontederia · Perennial emergent\/floating-leaved aquatic herb \/ Wetland aquatic flower\u003c\/p\u003e\n\u003ch3\u003e1. Variety Characteristics\u003c\/h3\u003e\n\u003cul class=\"ybc-ul-component\"\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003ePlant Morphology:\u003c\/strong\u003e Possesses thick underground rhizomes; basal leaves with long petioles; leaf blades are ovate-lanceolate or broad-lanceolate, 10–25 cm long, with entire margins and arcuate veins, bright green in color; flower stalks stand erect and higher than the foliage, topped with dense racemes; small flowers are bell-shaped, blue-purple or white (cultivated varieties are mostly blue-purple); flowering period is June–September, followed by capsule fruits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Varieties:\u003c\/strong\u003e The original blue-flowered Pickerelweed is most commonly used; others include white-flowered varieties (\u003cem\u003eP. cordata\u003c\/em\u003e 'Alba') and large-sized types. Projects typically select standard blue-flowered medium-sized plants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eSeasonal Performance:\u003c\/strong\u003e Germination in spring → Peak blooming in summer and autumn (long colony flowering period) → Above-ground parts wither in winter, with underground rhizomes overwintering.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e2. Ecological Habits\u003c\/h3\u003e\n\u003cul class=\"ybc-ul-component\"\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eWater Level Requirements:\u003c\/strong\u003e Suitable for shallow water areas or moist shores; ideal water depth is \u003cstrong\u003e10–30 cm\u003c\/strong\u003e (maximum not exceeding 50 cm). Can also be planted in saturated moist mud; avoid complete drought and long-term fast-flowing water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eLighting:\u003c\/strong\u003e Light-loving; adapts to full sun to light partial shade. Abundant light results in dense flower clusters; excessive shade reduces blooming.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eSoil:\u003c\/strong\u003e Prefers clayey pond mud, river mud, or swamp soil rich in organic matter; tolerates moderate fertility.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature:\u003c\/strong\u003e Optimal growth temperature is 20–30°C. Growth stops when the temperature falls below 10°C. Underground rhizomes can withstand around -10°C (if mud does not freeze). Mostly used for open-field cultivation in Central and East China; needs protection or annual replanting in Northeast regions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e3. Engineering Application Scenarios\u003c\/h3\u003e\n\u003cul class=\"ybc-ul-component\"\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eArtificial Lakes\/Pond Shallow Water Zones:\u003c\/strong\u003e Planted in mass along shallow shorelines to soften hard revetments; pairs well with Lotus, Water Lily, Sweet Flag, and Thalia dealbata to form aquatic plant communities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eFlower Borders\/Wetland Beautification:\u003c\/strong\u003e Utilizes its long blue-purple flowering period for foreground or midground landscaping, providing stable color effects.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eWater Quality Purification:\u003c\/strong\u003e Excellent absorption of nitrogen and phosphorus; commonly used in constructed wetland projects.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e4. Seedling Quality Indicators (Example - Engineering Emergent Seedlings)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem Name\u003c\/th\u003e\n\u003cth\u003eSpecification Parameters\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAge\/Form\u003c\/td\u003e\n\u003ctd\u003e1–2 year old divided seedlings \/ Pot-grown seedlings (Recommended for projects)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight (H)\u003c\/td\u003e\n\u003ctd\u003e40–60 cm \/ 60–90 cm (Leaves can be trimmed before shipping)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClump Dia\/Tillers\u003c\/td\u003e\n\u003ctd\u003e≥ 3–5 buds (stems) per clump, with thick rhizomes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContainer Size\u003c\/td\u003e\n\u003ctd\u003ePot diameter 12–15 cm \/ 15–18 cm, fully developed root system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuality Requirements\u003c\/td\u003e\n\u003ctd\u003eBright green leaves, pest and disease-free, vigorous growth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e5. Planting \u0026 Maintenance Key Points\u003c\/h3\u003e\n\u003cul class=\"ybc-ul-component\"\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003ePlanting Season:\u003c\/strong\u003e From spring germination to early autumn; pot-grown seedlings can be planted year-round.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003ePruning:\u003c\/strong\u003e Promptly remove spent flower stalks to prevent seed setting from consuming nutrients; clean surface debris after withering in winter.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"ybc-li-component ybc-li-component_ul\"\u003e\n\u003cspan class=\"ybc-li-component__dot-wp\"\u003e\u003c\/span\u003e\n\u003cp\u003e\u003cstrong\u003eWater \u0026 Fertilizer:\u003c\/strong\u003e Maintain a shallow water environment; apply appropriate top-dressing during the growing season.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Autumn Field Nursery Base","offers":[{"title":"Default Title","offer_id":45188594597997,"sku":null,"price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/1727\/7293\/files\/pickerelweed-pontederia-cordata.png?v=1781401851","url":"https:\/\/virturaintl.com\/products\/pickerelweed","provider":"Autumn Field Nursery Base","version":"1.0","type":"link"}