{"product_id":"karlliu-30-inch-window-box-planters-4-pack-black-metal-with-coco-liners-adjustable-brackets","title":"Karlliu 30 Inch Window Box Planters 4-Pack — Black Metal with Coco Liners \u0026 Adjustable Brackets","description":"\u003cp\u003e\u003cstrong\u003eThese are four durable 30-inch Karlliu metal window boxes with adjustable brackets and coconut coir liners for railing, fence, balcony, and windowsill planting.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eMade to combine weather-resistant metal construction with breathable coco fiber liners, this 4-pack from Karlliu gives you long planters sized for herbs, trailing flowers, and compact vegetables. Each trough-style box measures 30\" x 7\" x 5.5\" and arrives with an adjustable bracket system so you can hang them on railings, fences, porch ledges, or windows. The powder-coated finish reduces corrosion while the reinforced drainage and liner control soil loss, making these boxes a flexible choice for outdoor décor and container gardening.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these planters hold up outdoors?\u003c\/h3\u003e\n\n\u003cp\u003eThe Karlliu boxes use carbon-steel with a rust-resistant powder coating to resist weather and seasonal wear. The included coconut coir liners wick moisture while providing aeration so roots breathe without soggy soil. Reinforced mounting hardware and a built-in drainage approach also minimize erosion and pooling.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCarbon-steel frame with powder-coat for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eNatural coco fiber liners for water retention and airflow\u003c\/li\u003e\n  \u003cli\u003eDrainage design and reinforced edges to prevent soil leakage\u003c\/li\u003e\n  \u003cli\u003eSuitable for year-round outdoor use in most climates\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I attach these to different railings, fences or windowsills?\u003c\/h3\u003e\n\n\u003cp\u003eYes — each planter includes an adjustable bracket system with four installation positions to fit a wide range of fence and railing profiles. Brackets slide to accommodate narrow or wide ledges and lock securely so the boxes hang level. No specialty tools are required for assembly or mounting.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAdjustable bracket with four settings for varied thicknesses\u003c\/li\u003e\n  \u003cli\u003eTool-free assembly and simple bracket adjustment\u003c\/li\u003e\n  \u003cli\u003eFits wood, metal, and concrete ledges when anchored properly\u003c\/li\u003e\n  \u003cli\u003eHangs securely to keep planters level under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat plants work best in these 30\" troughs?\u003c\/h3\u003e\n\n\u003cp\u003eThe elongated 30\" profile is ideal for linear displays or small-scale kitchen gardens. Use them for trailing petunias, geraniums, small tomatoes, culinary herbs, or mixed annuals to create continuous color and scent along railings or windows. The 7\" width provides room for multiple plants while keeping soil depth suitable for containers.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTrailing annuals and cascading flowers for visual impact\u003c\/li\u003e\n  \u003cli\u003eHerb mixes like basil, parsley, thyme, and chives\u003c\/li\u003e\n  \u003cli\u003eCompact vegetable varieties (cherry tomatoes, peppers) with support\u003c\/li\u003e\n  \u003cli\u003eSucculent or mixed potting blends for low-maintenance displays\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is setup and maintenance?\u003c\/h3\u003e\n\n\u003cp\u003eSet up takes only a few minutes: assemble the bracket, hook the planter, and press the coco liner in place. The liners reduce the need for frequent replanting by retaining moisture, while the metal rim keeps shape season after season. Routine watering, occasional feeding, and winter protection in cold climates are the main upkeep tasks.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTool-free assembly and quick bracket adjustment\u003c\/li\u003e\n  \u003cli\u003eCoco liners help reduce watering frequency and soil compaction\u003c\/li\u003e\n  \u003cli\u003ePeriodic feeding and winter storage recommended in freezing zones\u003c\/li\u003e\n  \u003cli\u003eIncluded instructions guide installation and care\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These Karlliu 30\" window boxes suit homeowners, apartment gardeners, and landscape DIYers who want a clean, continuous planter line for railings, balconies, porches, or window ledges. The set of four lets you create coordinated displays across a long balcony or multiple windows, while the durable metal and natural coco liners appeal to gardeners looking for a balance of style and functionality.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the coco liners included?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, each planter comes with a coconut coir liner to improve water retention and airflow.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need tools to install the brackets?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, the brackets are designed for tool-free assembly and adjust to fit various railings.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Karlliu","offers":[{"title":"Default Title","offer_id":56844148998484,"sku":"B0DFH3FCTT","price":166.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/karlliu-front-view-30-inch-window-boxes.jpg?v=1787084443","url":"https:\/\/gardenluxe.co.uk\/products\/karlliu-30-inch-window-box-planters-4-pack-black-metal-with-coco-liners-adjustable-brackets","provider":"Gardenluxe Uk","version":"1.0","type":"link"}