{"product_id":"lobelia-cardinalis","title":"Lobelia cardinalis","description":"\u003cp\u003eThe Cardinal Flower (\u003ci\u003eLobelia cardinalis\u003c\/i\u003e) is a striking and versatile stem plant celebrated for its crisp, bright green leaves and contrasting pale stems. Originally famous in garden landscaping for its brilliant red spikes, the aquatic-adapted form provides a vibrant midground presence with an upright, bushy growth structure that introduces wonderful vertical dynamism to freshwater layouts.\u003c\/p\u003e\n\u003ch3\u003eShort Description \u0026amp; Highlights\u003c\/h3\u003e\n\u003cp\u003e\u003ci\u003eLobelia cardinalis\u003c\/i\u003e features broad, spatula-shaped green leaves that transition into a more compact form when submersed in the aquarium. It serves as a brilliant midground focal point, creating dense, colorful blocks of foliage. Highly adaptable and responsive to pruning, it rewards beginner aquarists with stable growth, though it benefits greatly from a nutrient-rich substrate and reliable lighting.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Product Highlights:\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eScientific Name\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003ci\u003eLobelia cardinalis\u003c\/i\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eCommon Names\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCardinal Flower, Water Lobelia\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003ePlacement\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMidground to Background\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eCare Level\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEasy to Moderate (Beginner-friendly with proper trimming)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eGrowth Rate\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMedium\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eMax Height\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 to 12 inches (10 to 30 cm) or more depending on pruning\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eLighting Demand\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eModerate\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eWater Parameters\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTemp: 60°F–78°F (15°C–26°C) | pH: 6.0–7.5 | KH: 3–12\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDetailed Beginner Care Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003e1. Placement \u0026amp; Aquascaping\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ci\u003eLobelia cardinalis\u003c\/i\u003e is exceptionally well-suited for the midground, where its distinct leaf shape and clean green tones break up the monotony of fine-leaved stem plants. Planting individual stems in small groups with a slight spacing allows light to reach the lower leaves, encouraging a bushy, multi-branched aesthetic rather than tall, bare stalks.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. Lighting \u0026amp; Growth Habits\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThis species adapts readily to standard-output LED or fluorescent aquarium lighting. Under moderate light, it maintains a neat, manageable height. If left unpruned, it will eventually break the water surface, producing charming small violet-blue or red flowers in open-top setups, making it a fantastic bridge plant for paludariums.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e3. Substrates, Nutrients \u0026amp; Maintenance\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eBecause it feeds heavily through its extensive root network, \u003ci\u003eLobelia cardinalis\u003c\/i\u003e thrives best in nutrient-rich aquarium soil or standard gravel supplemented with regular root tabs. Liquid fertilizers support its overall vitality, and routine pruning of the top shoots encourages lateral side-shoots, keeping the plant dense and visually balanced.\u003c\/p\u003e","brand":"Plants","offers":[{"title":"Default Title","offer_id":57069224690004,"sku":"ST010832","price":4.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1052\/5828\/7444\/files\/Lobeliacardinalis.jpg?v=1788872605","url":"https:\/\/www.tropicalmarineaquatic.com\/products\/lobelia-cardinalis","provider":"Tropical Marine Aquatic","version":"1.0","type":"link"}