Skip to product information
1 of 4

HDPE Grow Bags 18x21 Inches | Big UV Treated Grow Bags

Regular price Rs. 779.00
Sale price Rs. 779.00 Regular price Rs. 1,000.00

Choose your pack size:

Perfect for Indian Climate 🏡

Product Description

HDPE Grow Bags 18x21 Inches – Extra Deep UV Treated Grow Bags for Fruit Plants & Tuber Crops

For plants that demand the deepest root space, Go4ganics 18x21 inch UV treated HDPE grow bags 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.

Need a different size? 16x18 | 21x24 | 24x24 | View all sizes

Why Choose the 18x21 Inch Grow Bag?

The 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. Browse our full range of HDPE grow bags online.

Key Benefits of Go4ganics 18x21 UV Treated HDPE Grow Bags

  • Extra Deep Root Space: 21-inch depth — ideal for potato grow bags, deep-rooted tuber crops and large fruit plants
  • Superior Drainage: Prevents waterlogging — critical for tuber crops and tropical plants
  • UV Treated & Durable: 220 GSM UV treated HDPE withstands Indian heat, rain, and sunlight for 4–5 years
  • Better than Fabric Grow Bags: More durable and water-resistant for long-term outdoor use in India
  • Wide & Stable Base: 18-inch diameter anchors large, heavy plants securely
  • Air Pruning Effect: Promotes stronger root systems for higher yields
  • Reusable & Eco-Friendly: Sustainable long-term alternative to grow beds and raised planters
  • Affordable: Available in pack of 5 and pack of 10

Product Specifications

  • Size: 18 x 21 inches (Diameter x Height)
  • Material: 220 GSM HDPE (High-Density Polyethylene)
  • UV Treatment: Yes — UV treated & stabilised for long outdoor life
  • Colour: Green outside, Orange inside
  • Pack Options: Pack of 5 | Pack of 10
  • Drainage: Holes at base for optimal water flow
  • Reusability: 4–5 growing seasons

What Can You Grow in an 18x21 Inch Grow Bag?

  • Potato (Aloo) – 5–6 seed potatoes per bag
  • All Gourds (Snake, Bitter, Bottle, Ash Gourd) – 2 plants per bag
  • Cassava (Tapioca / Kappa) – 1 plant per bag
  • Amorphophallus (Elephant Foot Yam / Suran) – 1 plant per bag
  • Colocassia (Arbi / Taro) – 1 plant per bag
  • Curry Leaf (Kadi Patta) – 1 plant per bag
  • Papaya – 1 plant per bag
  • Tissue Culture Banana – 1 plant per bag
  • Pomegranate – 1 plant per bag

Growing Tips for 18x21 Inch HDPE Grow Bags

  1. Use a rich mix of cocopeat + vermicompost + garden soil (1:1:1) with extra organic matter
  2. For potato grow bags: fill halfway, plant seed potatoes, and keep mounding as plants grow
  3. Ensure 6–8 hours of direct sunlight daily
  4. Install a strong trellis for climbing gourds
  5. Water deeply and consistently
  6. Feed with organic fertiliser every 3–4 weeks
  7. Apply neem cake at planting time to protect tuber crops naturally

Why Choose Go4ganics UV Treated HDPE Grow Bags?

Go4ganics is one of India’s most trusted brands for UV treated HDPE grow bags online. Grow bags wholesale online enquiries welcome.

Perfect for

The 18x18 inch HDPE grow bag is perfect for large plants including all gourds (2 plants per bag), cassava, amorphophallus (elephant foot yam), colocassia (taro), curry leaf, papaya, tissue culture banana, and pomegranate (1 plant each). Ideal for serious terrace farmers and urban gardeners who want to grow tropical fruit plants and tuber crops at home. Made from UV-treated 220 GSM HDPE material, vibrant green outside and orange inside, built to last 4–5 seasons in the Indian climate.

FAQ

1. What can I grow in an 18x21 inch grow bag?
The 18x21 inch UV treated HDPE grow bag is ideal for potato (5-6 per bag), all gourds (2 plants per bag), cassava, amorphophallus, colocassia, curry leaf, papaya, tissue culture banana, and pomegranate (1 plant each).

2. Can I grow potato in an 18x21 inch grow bag?
Yes. The 18x21 inch HDPE grow bag is one of the best potato grow bags in India. The 21-inch depth allows excellent tuber development. Plant 5 to 6 seed potatoes per bag, fill halfway with soil, and keep mounding as plants grow.

3. Are HDPE grow bags better than fabric grow bags?
Yes, for outdoor use in India. UV treated HDPE grow bags are more durable, water-resistant, and last 4 to 5 years under Indian climate conditions. Fabric grow bags degrade faster outdoors in harsh Indian summers and monsoons. HDPE grow bags are the preferred choice for terrace and balcony gardening across India.

4. What are UV treated grow bags?
UV treated grow bags are made from HDPE material stabilised to resist degradation from sunlight. This UV treatment allows the grow bags to last 4 to 5 years outdoors without cracking or fading — ideal for year-round terrace gardening in India.

5. What is the advantage of the 21-inch depth in this grow bag?
The 21-inch depth gives deep-rooted plants like cassava, amorphophallus, potato, and papaya the full root run they need for maximum tuber and fruit development.

6. Can I grow papaya in an 18x21 inch grow bag?
Yes. Papaya has a deep tap root and grows very well in 18x21 inch UV treated HDPE grow bags. The extra depth supports healthy root development and good fruit production.

7. How long do UV treated HDPE grow bags last?
Premium 220 GSM UV treated HDPE grow bags from Go4ganics last 4 to 5 years under normal outdoor conditions in India — far longer than fabric grow bags.

8. How many times can a grow bag be used?
Go4ganics UV treated HDPE grow bags can be reused for 4 to 5 growing seasons with proper care.

9. Where can I buy grow bags wholesale online in India?
Go4ganics offers grow bags wholesale online across India. Contact us for bulk pricing on all sizes from 6x6 to 24x24 inches with fast pan-India delivery.

10. Is it safe to grow vegetables in HDPE grow bags?
Yes. HDPE is a food-safe, non-toxic material. Go4ganics UV treated HDPE grow bags are completely safe for growing all types of vegetables, tuber crops, and fruit plants.

HDPE Grow Bags 18x21 Inches | Big UV Treated Grow Bags

Rs. 779.00

Liquid error (sections/tpt-video-grid-1 line 5): Could not find asset snippets/tpt-section-setting.liquid

Can I use these products for terrace, balcony, or kitchen gardens?

Yes, our versatile range of grow bags, organic fertilizers, and garden accessories are designed to suit all spaces—whether it’s a small balcony, terrace garden, kitchen garden, or large farms

How long do HDPE grow bags last?

Our UV-treated HDPE grow bags are highly durable and can last up to 5 years with proper care.

How do I know which product suits my garden best?

You can explore our product descriptions for detailed guidance. Still unsure? Reach out to our support team—we’re happy to help you choose the right product for your needs

What is your return policy?

If you face any issues with your product, you can raise a refund, replacement, or exchange request within 7 days of delivery, provided the product is unused and in its original packaging.