{"product_id":"lobelia-siphilitica-alba-white-lobelia-marginal-pond-plants-mbp073","title":"Lobelia siphilitica alba (White lobelia) - Marginal Pond Plants - MBP073","description":"\u003cdiv style=\"text-align: center;\"\u003e\n\u003cp\u003e\u003cstrong\u003eLobelia siphilitica ‘Alba’\u003c\/strong\u003e, commonly known as \u003cem\u003eWhite Lobelia\u003c\/em\u003e or \u003cem\u003eWhite Great Lobelia\u003c\/em\u003e, is a herbaceous perennial that shares the same elegant form and adaptability as its blue-flowered counterpart, \u003cem\u003eLobelia siphilitica\u003c\/em\u003e. With tall spikes of pure white flowers, this cultivar adds a fresh, clean aesthetic to water gardens, damp borders, and naturalized landscapes. Its late-season blooms provide a valuable source of nectar and visual interest.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eLobelia siphilitica ‘Alba’\u003c\/em\u003e grows to a height of 60–90 cm (24–36 inches) with a spread of 30–45 cm (12–18 inches). The plant forms clumps of lance-shaped, toothed green leaves that create a tidy base for the upright flower spikes.\u003c\/p\u003e\n\u003cp\u003eFrom late summer to early autumn (August to October), unbranched stems rise above the foliage, bearing dense spikes of tubular, pure white flowers. The flowers have a two-lipped structure, with the lower lip slightly larger, creating a striking and graceful appearance. These blooms are highly attractive to pollinators such as bees and butterflies.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eGrowing Conditions\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eLobelia siphilitica ‘Alba’\u003c\/em\u003e thrives in full sun to partial shade and prefers consistently moist or waterlogged soil. It grows well in damp meadows, along pond margins, or in bog gardens. The plant performs best in rich, loamy soil but can adapt to clay or sandy conditions if sufficient moisture is maintained. Slightly acidic to neutral pH is preferred.\u003c\/p\u003e\n\u003cp\u003eHardy in the UK, \u003cem\u003eWhite Lobelia\u003c\/em\u003e tolerates frost and regrows each spring after winter dormancy, making it a reliable and low-maintenance choice for temperate gardens.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003ePropagation and Care\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eLobelia siphilitica ‘Alba’\u003c\/em\u003e can be propagated by seed or division. Seeds can be sown in spring or autumn directly onto the surface of damp soil, as they require light for germination. Division is best done in spring by separating clumps and replanting them in moist conditions.\u003c\/p\u003e\n\u003cp\u003eOnce established, the plant requires minimal care. Regular watering is essential to maintain the damp conditions it prefers. Deadheading spent flowers may encourage additional blooming, and cutting back stems in late autumn tidies the plant for winter dormancy. Divide clumps every 3–4 years to prevent overcrowding and ensure vigorous growth.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eUses\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eOrnamental:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cem\u003eLobelia siphilitica ‘Alba’\u003c\/em\u003e is a beautiful addition to water gardens, pond edges, and damp borders. Its elegant white flowers provide a striking contrast to colourful companions like \u003cem\u003eLobelia siphilitica\u003c\/em\u003e (Blue Lobelia), \u003cem\u003eCaltha palustris\u003c\/em\u003e (Marsh Marigold), and \u003cem\u003eIris laevigata\u003c\/em\u003e.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eNaturalized Planting:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis plant is ideal for naturalizing in wetlands or streamside environments, where its pristine flowers enhance the landscape's aesthetic.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eContainer Planting:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eIts compact size and moisture-loving nature make it suitable for container planting near water features or on patios.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEcological Value\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eLobelia siphilitica ‘Alba’\u003c\/em\u003e is an excellent plant for supporting biodiversity. Its flowers attract bees, butterflies, and other pollinators, providing nectar during the late growing season. The plant’s dense growth offers shelter and habitat for small insects and other wetland creatures.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eConsiderations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture Needs:\u003c\/strong\u003e This plant requires consistently moist or waterlogged soil and does not tolerate dry conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWinter Dormancy:\u003c\/strong\u003e The plant dies back in winter but regrows vigorously in spring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eToxicity:\u003c\/strong\u003e Like other lobelias, it contains alkaloids that may be mildly toxic if ingested by humans or pets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003cp\u003eWith its tall spikes of pure white flowers, elegant form, and ability to thrive in wet conditions, \u003cstrong\u003eLobelia siphilitica ‘Alba’ (White Lobelia)\u003c\/strong\u003e is a stunning and versatile addition to water gardens, pond edges, and boggy landscapes. Its late-season blooms, ease of care, and ecological benefits make it a valuable choice for enhancing the beauty and biodiversity of aquatic environments. Whether used as a focal point or in combination with other plants, \u003cem\u003eWhite Lobelia\u003c\/em\u003e adds a touch of refined elegance to any garden setting.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Choose Lobelia siphilitica alba (White Lobelia)?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLobelia siphilitica alba\u003c\/strong\u003e, commonly known as \u003cstrong\u003eWhite Lobelia\u003c\/strong\u003e, is an elegant and striking perennial that thrives in \u003cstrong\u003emoist conditions\u003c\/strong\u003e. Known for its \u003cstrong\u003edelicate white flowers\u003c\/strong\u003e and \u003cstrong\u003eupright growth\u003c\/strong\u003e, this plant provides a soft, \u003cstrong\u003egraceful\u003c\/strong\u003e addition to \u003cstrong\u003epond edges\u003c\/strong\u003e, \u003cstrong\u003ebog gardens\u003c\/strong\u003e, and \u003cstrong\u003ewoodland borders\u003c\/strong\u003e. Its ability to thrive in wet environments and attract \u003cstrong\u003epollinators\u003c\/strong\u003e makes it a perfect choice for creating \u003cstrong\u003ebeautiful\u003c\/strong\u003e, \u003cstrong\u003efunctional\u003c\/strong\u003e gardens.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003e\u003cstrong\u003e1. Elegant White Flowers\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLobelia siphilitica alba\u003c\/strong\u003e produces \u003cstrong\u003edelicate, tubular white flowers\u003c\/strong\u003e, which bloom in \u003cstrong\u003elate summer to fall\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe flowers appear in \u003cstrong\u003eloose, spike-like clusters\u003c\/strong\u003e, creating a \u003cstrong\u003esoft contrast\u003c\/strong\u003e against surrounding plants and offering a serene, peaceful touch to any garden.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003ewhite blooms\u003c\/strong\u003e attract \u003cstrong\u003epollinators\u003c\/strong\u003e, such as \u003cstrong\u003ebees\u003c\/strong\u003e, \u003cstrong\u003ebutterflies\u003c\/strong\u003e, and \u003cstrong\u003ehummingbirds\u003c\/strong\u003e, contributing to the overall health of your garden ecosystem.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003e\u003cstrong\u003e2. Graceful, Upright Foliage\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThe plant features \u003cstrong\u003elong, lance-shaped green leaves\u003c\/strong\u003e that form an \u003cstrong\u003eupright clump\u003c\/strong\u003e, offering \u003cstrong\u003etexture\u003c\/strong\u003e and \u003cstrong\u003estructure\u003c\/strong\u003e to the garden.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003edense, grass-like foliage\u003c\/strong\u003e creates a neat background for the bright flowers, making it an ideal addition to water gardens or naturalized spaces.\u003c\/li\u003e\n\u003cli\u003eThe leaves maintain their vibrant green color throughout the growing season, even after the flowers have faded.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003e\u003cstrong\u003e3. Thrives in Wet and Moist Conditions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite Lobelia\u003c\/strong\u003e is perfect for \u003cstrong\u003emoist soils\u003c\/strong\u003e or \u003cstrong\u003eshallow water\u003c\/strong\u003e (up to 15 cm \/ 6 inches deep), making it ideal for planting along \u003cstrong\u003epond edges\u003c\/strong\u003e, in \u003cstrong\u003ebog gardens\u003c\/strong\u003e, or \u003cstrong\u003ewet meadows\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIt grows well in \u003cstrong\u003efull sun\u003c\/strong\u003e to \u003cstrong\u003epartial shade\u003c\/strong\u003e, ensuring healthy growth and vibrant blooms in a variety of lighting conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003e\u003cstrong\u003e4. Hardy and Low Maintenance\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLobelia siphilitica alba\u003c\/strong\u003e is a \u003cstrong\u003ehardy perennial\u003c\/strong\u003e that tolerates fluctuating water levels and varying moisture conditions, making it suitable for a wide range of wetland environments.\u003c\/li\u003e\n\u003cli\u003eOnce established, it requires \u003cstrong\u003elow maintenance\u003c\/strong\u003e, needing only regular watering and occasional deadheading to maintain its tidy appearance and encourage continued blooming.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003e\u003cstrong\u003e5. Wildlife-Friendly\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003edelicate white flowers\u003c\/strong\u003e attract a variety of \u003cstrong\u003epollinators\u003c\/strong\u003e, including \u003cstrong\u003ebees\u003c\/strong\u003e, \u003cstrong\u003ebutterflies\u003c\/strong\u003e, and \u003cstrong\u003ehummingbirds\u003c\/strong\u003e, helping to support the biodiversity of your garden.\u003c\/li\u003e\n\u003cli\u003eThe dense \u003cstrong\u003efoliage\u003c\/strong\u003e provides \u003cstrong\u003eshelter\u003c\/strong\u003e for small creatures like \u003cstrong\u003einsects\u003c\/strong\u003e and \u003cstrong\u003eamphibians\u003c\/strong\u003e, making it an excellent addition to any \u003cstrong\u003ewildlife garden\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003e\u003cstrong\u003e6. Erosion Control and Water Filtration\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThe plant’s \u003cstrong\u003edense root system\u003c\/strong\u003e helps \u003cstrong\u003estabilize soil\u003c\/strong\u003e, making it ideal for \u003cstrong\u003eerosion control\u003c\/strong\u003e along pond banks, marshes, and wetland areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLobelia siphilitica alba\u003c\/strong\u003e also contributes to \u003cstrong\u003ewater filtration\u003c\/strong\u003e, improving water quality by absorbing excess nutrients and helping to maintain a healthier aquatic environment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003e\u003cstrong\u003e7. Versatile Design Use\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePerfect for \u003cstrong\u003ewater gardens\u003c\/strong\u003e, \u003cstrong\u003ebog gardens\u003c\/strong\u003e, \u003cstrong\u003epond edges\u003c\/strong\u003e, or \u003cstrong\u003ewoodland borders\u003c\/strong\u003e, where it can provide both \u003cstrong\u003ecolor\u003c\/strong\u003e and \u003cstrong\u003estructure\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eWorks well in \u003cstrong\u003enaturalistic plantings\u003c\/strong\u003e, complementing other moisture-loving plants, or as part of a \u003cstrong\u003ewildlife-friendly garden\u003c\/strong\u003e that supports pollinators and small creatures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 60–90 cm (24–36 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlowers\u003c\/strong\u003e: Delicate white tubular flowers, blooming in late summer to fall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil\u003c\/strong\u003e: Moist to wet soil or shallow water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight\u003c\/strong\u003e: Full sun to partial shade\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eLobelia siphilitica alba (White Lobelia)\u003c\/strong\u003e is a graceful and beautiful addition to any wetland or water garden. Its soft white flowers, upright foliage, and ability to thrive in moist conditions make it an excellent choice for enhancing the beauty and biodiversity of your garden.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cp style=\"font-family: Arial; font-size: 14pt; text-align: center;\" class=\"MsoNormal\"\u003e\u003cb style=\"font-size: 22pt;\"\u003e \u003cb\u003e \u003cspan style=\"text-decoration: underline;\"\u003e \u003c\/span\u003e \u003cspan style=\"text-decoration: underline;\"\u003e \u003c\/span\u003e \u003c\/b\u003e \u003cspan style=\"text-decoration: underline;\"\u003e \u003c\/span\u003e \u003c\/b\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Lincspplants","offers":[{"title":"1 \/ 7cm","offer_id":56445037445497,"sku":"MBP073-plug","price":2.6,"currency_code":"GBP","in_stock":false},{"title":"1 \/ 9cm","offer_id":56445037478265,"sku":"MBP073-9cm","price":6.8,"currency_code":"GBP","in_stock":false},{"title":"1 \/ 9cm Potted","offer_id":56445037511033,"sku":"MBP073-9cmpot","price":8.8,"currency_code":"GBP","in_stock":false},{"title":"1 \/ 1Ltr","offer_id":56445037543801,"sku":"MBP073-1ltr","price":10.72,"currency_code":"GBP","in_stock":false},{"title":"1 \/ 1Ltr Potted","offer_id":56445037576569,"sku":"MBP073-1ltrpot","price":12.67,"currency_code":"GBP","in_stock":false},{"title":"1 \/ 3Ltr","offer_id":56445037609337,"sku":"MBP073-3ltr","price":19.5,"currency_code":"GBP","in_stock":false},{"title":"1 \/ 3Ltr Potted","offer_id":56445037642105,"sku":"MBP073-3ltrpot","price":23.4,"currency_code":"GBP","in_stock":false},{"title":"1 \/ 2 x Pot \u0026 2 x Compost","offer_id":56641510343033,"sku":"sku-52325417386331","price":24.0,"currency_code":"GBP","in_stock":false},{"title":"3 \/ 7cm","offer_id":56722552390009,"sku":"sku-52454235144539","price":7.41,"currency_code":"GBP","in_stock":false},{"title":"3 \/ 9cm","offer_id":56722552422777,"sku":"sku-52454235177307","price":19.38,"currency_code":"GBP","in_stock":false},{"title":"3 \/ 1Ltr","offer_id":56722552455545,"sku":"sku-52454235210075","price":30.55,"currency_code":"GBP","in_stock":false},{"title":"3 \/ 3Ltr","offer_id":56722552488313,"sku":"sku-52454235242843","price":55.58,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/8263\/9737\/files\/product_l_o_lobelia-siphilitica-alba-9394-1.jpg?v=1767532402","url":"https:\/\/mgmgardening.com\/products\/lobelia-siphilitica-alba-white-lobelia-marginal-pond-plants-mbp073","provider":"MGMgardening","version":"1.0","type":"link"}