{"product_id":"alternathera-rosaefolia-rosenvig-aquarium-plant","title":"Alternathera Rosaefolia Rosenvig Aquarium Plant","description":"\u003cp\u003eAlternanthera Rosaefolia Rosenvig Potted - Red Midground Aquarium Plant for Aquascaping \u0026amp; Planted Tanks\u003c\/p\u003e\u003cp\u003eAlternanthera rosaefolia Rosenvig is a striking midground aquarium plant known for its rich red and purple foliage. Perfect for adding vibrant colour and structure, it thrives under moderate to high lighting with CO2 supplementation. Ideal for aquascapers seeking bold contrasts and textured layouts in both nano and larger tanks.\u003c\/p\u003e\u003cp\u003eKEY BENEFITS\u003c\/p\u003e\u003cul\u003e\t\u003cli\u003eIntense red-purple foliage creates dramatic midground contrast\u003c\/li\u003e\t\u003cli\u003eCompact growth keeps layouts neat and structured\u003c\/li\u003e\t\u003cli\u003eAdds depth and layering in nature-style and Dutch aquascapes\u003c\/li\u003e\t\u003cli\u003eProvides surfaces for grazing shrimp and fry\u003c\/li\u003e\t\u003cli\u003ePerforms well under high lighting with CO2 supplementation\u003c\/li\u003e\t\u003cli\u003eExcellent feature plant for focal points or colour accents\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIDEAL FOR\u003c\/p\u003e\u003cul\u003e\t\u003cli\u003eNature-style, Dutch, and Iwagumi-inspired aquascapes\u003c\/li\u003e\t\u003cli\u003eNano tanks and medium display aquariums\u003c\/li\u003e\t\u003cli\u003eBeginner to advanced aquascapers seeking colour contrast\u003c\/li\u003e\t\u003cli\u003eShrimp and community aquariums\u003c\/li\u003e\t\u003cli\u003eMidground accent in structured planted layouts\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCARE SNAPSHOT\u003c\/p\u003e\u003cp\u003eDifficulty: Moderate\u003cbr\u003eLighting: Medium to high\u003cbr\u003eCO2: Recommended\u003cbr\u003eGrowth: Moderate\u003cbr\u003ePlacement: Midground\u003c\/p\u003e\u003cp\u003eAlternanthera rosaefolia Rosenvig stands out for its deep red, slightly purple-tinged leaves that form dense, upright clusters. Its compact sise and colourful foliage make it ideal for midground placement, bridging green foreground carpeting plants and taller background species.\u003c\/p\u003e\u003cp\u003eThe plant develops upright stems with rounded leaves, creating a bushy appearance that enhances texture in aquascapes. Under high light and with CO2, its red pigmentation becomes even more intense, giving aquascapes a dramatic focal point.\u003c\/p\u003e\u003cp\u003eWhat makes Alternanthera rosaefolia Rosenvig unique is its ability to maintain compact, vibrant growth in a midground position, even in smaller tanks. Regular trimming encourages bushier growth and helps maintain its rich colour. Some fading or leaf loss may occur initially if lighting or nutrient levels fluctuate, but stable conditions allow it to thrive beautifully.\u003c\/p\u003e\u003cp\u003eSPECIFICATIONS\u003c\/p\u003e\u003cp\u003eScientific name: Alternanthera rosaefolia 'Rosenvig'\u003cbr\u003eCommon name: Rosenvig Alternanthera\u003cbr\u003eOrigin: South America\u003cbr\u003eHeight: 10-20 cm\u003cbr\u003ePlacement: Midground\u003cbr\u003eLighting: Medium to high\u003cbr\u003eCO2: Recommended\u003cbr\u003eTemperature: 22-28¡C\u003cbr\u003epH: 6.0-7.5\u003c\/p\u003e\u003cp\u003eCARE GUIDE\u003c\/p\u003e\u003cp\u003ePlanting\u003cbr\u003eRemove from its pot and rinse away rock wool. Plant individual stems or small clusters in aquasoil using tweezers, leaving slight gaps for light penetration and even growth.\u003c\/p\u003e\u003cp\u003eTrimming\u003cbr\u003eTrim regularly to encourage branching and maintain a compact shape. Use trimmed stems for propagation.\u003c\/p\u003e\u003cp\u003eFeeding\u003cbr\u003eUse nutrient-rich substrate and supplement with liquid fertilisers, particularly those containing iron, to enhance red pigmentation. Root tabs can help in lower nutrient substrates.\u003c\/p\u003e\u003cp\u003eCO2 Notes\u003cbr\u003eCO2 injection is strongly recommended to maintain strong red coloration and compact, healthy growth. Without CO2, stems may elongate and leaves may lose intensity.\u003c\/p\u003e\u003cp\u003eFAQ SECTION\u003c\/p\u003e\u003cp\u003eDoes this plant need CO2?\u003cbr\u003eCO2 is recommended for optimal colour and compact growth. Without it, growth is slower and foliage may turn green.\u003c\/p\u003e\u003cp\u003eWhy are my leaves turning pale or green?\u003cbr\u003eThis usually indicates insufficient light or iron in the substrate. Adjust lighting and supplement nutrients to restore red pigmentation.\u003c\/p\u003e\u003cp\u003eHow fast does it grow?\u003cbr\u003eModerate under good conditions; forms dense midground clusters over time.\u003c\/p\u003e\u003cp\u003eIs it suitable for nano tanks?\u003cbr\u003eYes, its compact growth makes it ideal for smaller aquascapes.\u003c\/p\u003e\u003cp\u003eCan it be used in shrimp tanks?\u003cbr\u003eYes, it provides excellent grazing surfaces and shelter for shrimp.\u003c\/p\u003e\u003cp\u003eHow do I propagate it?\u003cbr\u003eTrim healthy stems and replant in substrate; new shoots will develop from the nodes.\u003c\/p\u003e\u003cp\u003ePAIRS WELL WITH\u003c\/p\u003e\u003cul\u003e\t\u003cli\u003eNutrient-rich aquasoil for strong roots\u003c\/li\u003e\t\u003cli\u003eCO2 systems for colour and compact growth\u003c\/li\u003e\t\u003cli\u003eIron-rich liquid fertilisers\u003c\/li\u003e\t\u003cli\u003eForeground plants like Dwarf Hairgrass or Monte Carlo\u003c\/li\u003e\t\u003cli\u003eBackground plants with contrasting green tones\u003c\/li\u003e\t\u003cli\u003eDriftwood or stone to enhance midground colour focus\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Aquarium Plants","offers":[{"title":"Default Title","offer_id":53186755297618,"sku":"8717344711340","price":5.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1066\/3437\/9602\/files\/289c6f_96e1d338713744ca8625daa2a5094639_mv2.jpg?v=1776091950","url":"https:\/\/byrkleyaquatics.co.uk\/products\/alternathera-rosaefolia-rosenvig-aquarium-plant","provider":"Byrkley Aquatics","version":"1.0","type":"link"}