{"product_id":"hdpe-grow-bags-18x21-inches","title":"HDPE Grow Bags 18x21 Inches – Large Grow Bags for Gourds, Papaya, Banana \u0026 Tuber Crops | Terrace Garden","description":"\u003ch2\u003eHDPE Grow Bags 18x21 Inches – Extra Deep UV Treated Grow Bags for Fruit Plants \u0026amp; Tuber Crops in India\u003c\/h2\u003e\n\n\u003cp\u003eFor plants that demand the deepest root space, Go4ganics \u003cstrong\u003e18x21 inch UV treated HDPE grow bags\u003c\/strong\u003e deliver. With an exceptional 21-inch depth, this is one of our tallest grow bag sizes — engineered for deep-rooted tuber crops, vigorous climbing gourds, potato grow bags, and large tropical fruit plants like papaya, banana, and pomegranate.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose the 18x21 Inch Grow Bag?\u003c\/h3\u003e\n\u003cp\u003eThe extra 21-inch depth sets this grow bag apart — giving deep-rooted plants like cassava, amorphophallus, colocassia, and potato the full root run they need for maximum tuber development. A top choice for urban farmers and terrace gardeners across India who want to grow beyond conventional home garden crops.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits of Go4ganics 18x21 UV Treated HDPE Grow Bags\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtra Deep Root Space:\u003c\/strong\u003e 21-inch depth — ideal for potato grow bags, deep-rooted tuber crops and large fruit plants\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Drainage:\u003c\/strong\u003e Prevents waterlogging — critical for tuber crops and tropical plants\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV Treated \u0026amp; Durable:\u003c\/strong\u003e 220 GSM UV treated HDPE withstands Indian heat, rain, and sunlight for 4–5 years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter than Fabric Grow Bags:\u003c\/strong\u003e More durable and water-resistant for long-term outdoor use in India\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide \u0026amp; Stable Base:\u003c\/strong\u003e 18-inch diameter anchors large, heavy plants securely\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Pruning Effect:\u003c\/strong\u003e Promotes stronger root systems for higher yields\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable \u0026amp; Eco-Friendly:\u003c\/strong\u003e Sustainable long-term alternative to grow beds and raised planters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAffordable:\u003c\/strong\u003e Buy extra deep grow bags online India in pack of 5 and pack of 10\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 18 x 21 inches (Diameter x Height)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 220 GSM HDPE (High-Density Polyethylene)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV Treatment:\u003c\/strong\u003e Yes — UV treated \u0026amp; stabilised for long outdoor life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Green outside, Orange inside\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Options:\u003c\/strong\u003e Pack of 5 | Pack of 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrainage:\u003c\/strong\u003e Holes at base for optimal water flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusability:\u003c\/strong\u003e 4–5 growing seasons\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat Can You Grow in an 18x21 Inch Grow Bag?\u003c\/h3\u003e\n\u003cp\u003eThe 18x21 inch HDPE grow bag is built for the most demanding plants. Here’s how many plants per bag:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotato (Aloo)\u003c\/strong\u003e – 5–6 seed potatoes per bag — the 21-inch depth makes this one of the best potato grow bags in India\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll Gourds\u003c\/strong\u003e (Snake, Bitter, Bottle, Ash Gourd) – 2 plants per bag — vigorous climbers that thrive with extra depth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCassava (Tapioca \/ Kappa)\u003c\/strong\u003e – 1 plant per bag — deep tuber crop that benefits most from the 21-inch depth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmorphophallus (Elephant Foot Yam \/ Suran)\u003c\/strong\u003e – 1 plant per bag — large tuber needs maximum root depth to develop fully\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColocassia (Arbi \/ Taro)\u003c\/strong\u003e – 1 plant per bag — tropical tuber crop that thrives in deep HDPE grow bags\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurry Leaf (Kadi Patta)\u003c\/strong\u003e – 1 plant per bag — grows into a large, productive bush with deep root space\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePapaya\u003c\/strong\u003e – 1 plant per bag — deep tap root benefits from the extra 21-inch depth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTissue Culture Banana\u003c\/strong\u003e – 1 plant per bag — high-yield banana variety, thrives with deep root space\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePomegranate\u003c\/strong\u003e – 1 plant per bag — deep-rooted fruit shrub that produces well in tall grow bags\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGrowing Tips for 18x21 Inch HDPE Grow Bags\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eUse a rich mix of cocopeat + vermicompost + garden soil (1:1:1) with extra organic matter for large plants\u003c\/li\u003e\n\u003cli\u003eFor potato grow bags: fill halfway, plant seed potatoes, cover with soil, and keep mounding as plants grow for maximum yield\u003c\/li\u003e\n\u003cli\u003eEnsure 6–8 hours of direct sunlight daily — essential for fruiting plants like papaya and pomegranate\u003c\/li\u003e\n\u003cli\u003eInstall a strong trellis or support structure for climbing gourds\u003c\/li\u003e\n\u003cli\u003eWater deeply and consistently — the extra depth means more soil volume, so water thoroughly each time\u003c\/li\u003e\n\u003cli\u003eFeed with organic fertiliser every 3–4 weeks — large, deep-rooted plants are heavy feeders\u003c\/li\u003e\n\u003cli\u003eApply neem cake at planting time to protect tuber crops from soil-borne pests naturally\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eWhy Choose Go4ganics UV Treated HDPE Grow Bags?\u003c\/h3\u003e\n\u003cp\u003eGo4ganics is one of India’s most trusted brands for UV treated HDPE grow bags online. Our grow bags are engineered for Indian climate conditions — UV-stabilised, rigorously tested, and loved by 10,000+ home gardeners across the country. Grow bags wholesale online enquiries welcome.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✅ Premium 220 GSM UV treated HDPE — built to last 4–5 years\u003c\/li\u003e\n\u003cli\u003e✅ Better than fabric grow bags for long-term outdoor use in India\u003c\/li\u003e\n\u003cli\u003e✅ Vibrant green outside, orange inside — looks great on any terrace or balcony\u003c\/li\u003e\n\u003cli\u003e✅ Trusted by 10,000+ home gardeners across India\u003c\/li\u003e\n\u003cli\u003e✅ All sizes available — 6x6 to 24x24 inches\u003c\/li\u003e\n\u003cli\u003e✅ Fast pan-India delivery | Buy grow bags wholesale online India\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Go4ganics","offers":[{"title":"Pack of 5","offer_id":52101018484956,"sku":null,"price":779.0,"currency_code":"INR","in_stock":true},{"title":"Pack of 10","offer_id":52101018517724,"sku":null,"price":1449.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/1167\/7404\/files\/GO4ganics_18_x_21_HDPE_grow_bags_gardening.png?v=1784181893","url":"https:\/\/www.go4ganics.com\/products\/hdpe-grow-bags-18x21-inches","provider":"Go4ganics","version":"1.0","type":"link"}