FAQ: How To Sew A Long Rectangular Growing Bag?

How to Sew Grow Bags (Easy Pattern, Any Size)

Fabric grow bags are a great alternative to plastic pots for your garden because they are lightweight, inexpensive, and easy to store. Use these free instructions to sew your own fabric grow bags for your patio, balcony, or garden in any size (small, medium, large, and extra large).

Make Grow Bags for Your Garden

Grow bags have become popular in recent years due to their ease of use and low cost. They are made of BPA-free polypropylene, the same plastic used in yogurt containers, and the non-woven fabric is very lightweight and breathable, allowing your plant roots to naturally ‘air prune’ rather than overgrowing or circling. The downside is that they do not retain moisture.


A medium grow bag requires 1 yard of webbing ($1.39), while a large one requires 2 yards ($2.78). The total cost of a 50-foot roll (3-foot wide) of landscape fabric is $8.00 CAD, or 16 cents per foot (48 cents per yard).


If you start with square fabric pieces, you’ll get a round(ish) grow bag that keeps its shape when filled with soil; if you start with rectangular fabric pieces, you’ll get a floppy bag. Seam allowances can be u00bc-inch or u00bd-inch, just be consistent.

Suggested Sizes

Cut 4 pieces of fabric and 2 pieces of landscape fabric, each measuring approximately 6-inches in diameter and 8-inches tall. Line up SEAM A and B on top and bottom of bag. Move SEAM A to the left side and SEAM B to the right side. Draw your sewing lines (BOTTOM E and BOTTOM F) on the fabric and stitch along those lines.

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For a Rectangular(ish) Shaped Bag

Round bags made from fabric squares work better than rectangular bags; if in doubt, make round bags; rectangular bags do not hold their shape as well as round bags. Handles are optional and more for aesthetics than function; you can pick up the grow bag without them.

Placing Handles

Grow bags are made up of four handles, each about 26 inches long, and at least 6-inches of webbing to attach each handle to the bag. Larger grow bags will be heavy and require extra long, stickered webbing. A medium bag uses (4) 18u00d718-inch pieces and the finished bag is two layers thick.

How do you make a rectangular grow bag?

Sewing the grow bag

  1. Fold the material in half and sew the bottom and sides together to make a bag.
  2. Fold the bag’s corners and secure them.
  3. Draw two lines to make an inner square
  4. Sew along the corner lines.
  5. Finish the top of the bag by folding it over once or twice, depending on your preference.

How do you sew a grow bag?

Whatever you choose, just be consistent.

  1. 1Pin and Sew Side A.
  2. 3Pin and Sew Side B.
  3. 4Turn and Align Seam A and B.
  4. 5Move SEAM A and SEAM B to Sides.
  5. 6Mark and Sew Two New Bottom Seams.
  6. 7Turn Grow Bag Right Side Out.
  7. 8Finish Top of Grow Bag.

What kind of fabric is used for grow bags?

Grow bags are typically made of felt or other non-woven, pressed fabrics with small holes to allow air to circulate freely, which benefits the roots by allowing them to absorb water and nutrients from the soil more efficiently.

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Do Grow bags need saucers?

Because grow bags are porous and drain quickly, they require more frequent watering than a plastic container; if used indoors, place them on a large saucer to catch any leaks. Taller plants (such as tomatoes) require support.

What do you put under grow bags?

We also mulch our grow bags with wood chips, just like we do in the garden, to keep the soil moist on top and because we find that plants grow better in containers with mulch.

Are grow bags reusable?

Additionally, reusable grow bags are available; simply empty them at the end of the season, clean them, and store them until the following spring.

What is the thickest landscape fabric?

This is appropriate for you.

  • Dewitt Pro-5 weed-barrier landscape fabric 3ftx250ft heaviest weight.
  • Woven needle punch polypropylene fabric.
  • This product is made in China.
  • Dewitt P3 3-by-250-foot 5-ounce Pro 5 weed barrier fabric.
  • Saves Big on Watering, by conserving the soil’s moisture.
  • Provides Complete Weed Control.

Can I grow plants in plastic bags?

Plastic plant bags take up 40 times less storage space than rigid containers when stored flat (don’t worry, they stand upright when filled with soil). Nurseries and greenhouses can also house more plants per square foot in plastic bags than in hard containers.

Which grow bag is best?

The 10 Best Potato, Tomato, and Vegetable Grow Bags

  • 247Garden 5-Pack 7 Gallon Grow Bags.
  • VIVOSUN Plant Grow Bags.
  • WINNER OUTFITTERS 6-Pack 5 Gallon Grow Bags.
  • Garden4Ever Grow Bags 5-Pack 25 Gallon Aeration Fabric Pots.
  • Gardzen 10-Pack 1 Gallon Grow Bags.
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What grows in a 10 gallon bag?

10 gallon grow bags are quite large and can fit an entire garden in one container; for example, you can easily grow potatoes or tomatoes with basil all around them, as well as spinach and salad greens.

Do fabric pots drain well?

Water and air can pass into and out of fabric pots; when water enters from the top, it permeates the soil and transpires from the sides of the pot, while excess water that reaches the bottom flows through the fabric and exits the vessel.

Do you need drainage holes in grow bags?

Growing vegetables or flowers in growing bags is similar to growing them in other types of containers, but you should keep in mind that there are no drainage holes, so if you water too much, you’ll end up with a marshy mess.

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