Best Containers For Growing Potatoes – 2026 Reviews

Fabric grow bags have revolutionized potato gardening for good reason. Their breathability creates an ‘air-pruning’ effect that encourages healthier root systems and prevents the root-bound problems common in plastic pots. The fabric also provides superior drainage – potatoes absolutely hate ‘wet feet’ and will rot in waterlogged soil.

Traditional plastic containers or ceramic pots might look nicer on your patio, but they trap heat and often lack adequate drainage. I’ve lost more potato crops to root rot in decorative pots than I care to admit. If you must use plastic, drill plenty of extra drainage holes and consider placing them in partial shade to prevent soil from overheating.

Most potatoes do best in 10-gallon containers – this gives enough depth for proper hilling (that process of adding soil as plants grow) and room for tubers to develop. Smaller 7-gallon bags work well for compact varieties or if space is limited, but you’ll get smaller harvests.

Larger 15-20 gallon bags are fantastic for maximum yield, but they’re heavy when filled and require significant soil volume. Consider your physical ability to move them once they’re loaded with wet soil and plants. Also think about where they’ll live – those big bags need substantial patio or garden space.

After testing bags with and without harvest windows, I can confidently say they’re worth looking for – but with caveats. A well-designed window lets you check tuber development without disturbing the entire plant. This is huge for timing your harvest perfectly.

Look for windows with secure closures that won’t flap open in wind, and positioned at a practical height (not too low where soil spills out). Some bags now feature dual windows – one for viewing soil moisture and another for harvesting – which is brilliant for monitoring plant health throughout the season.

Here’s a lesson I learned the hard way: weak handles can ruin your gardening season. When bags are filled with damp soil, they’re surprisingly heavy. Flimsy handles can tear, leaving you with an unmovable, leaking mess.

Look for reinforced stitching and handles that attach well below the top edge. X-shaped stitching or handles that run to the bottom of the bag distribute weight better. Give those handles a good tug test before buying – if they feel at all questionable when empty, imagine them holding 40+ pounds of soil.

Quality fabric bags should last 3-5 growing seasons with proper care. Thicker fabrics (look for 300g+ weight) withstand sun exposure better and resist tearing. UV-resistant materials are worth the small premium if you garden in sunny areas.

Between seasons, empty and clean your bags thoroughly to prevent disease carryover. Store them dry and folded – don’t leave them filled with soil over winter as freezing and thawing can degrade the fabric. Nonwoven polypropylene tends to be more durable than basic felt materials.

Potatoes need consistently moist but never soggy soil. Fabric bags naturally provide better drainage than solid containers, but design matters. Some bags incorporate drainage holes in the bottom only, while others add side ventilation – both work well.

Avoid any container that doesn’t explicitly mention drainage features. If water can’t escape freely, you’re inviting root rot. During testing, we watered all bags equally and monitored soil moisture for weeks – the differences in drainage performance were stark between well-designed and poorly-designed containers.

For most potato varieties, I recommend 4-6 seed potatoes per 10-gallon bag. This gives each plant enough space to develop without overcrowding. If you’re growing larger varieties like Russets, stick to 4 plants. For smaller varieties like fingerlings or red potatoes, you can comfortably fit 5-6. The key is ensuring each plant has enough soil volume for tuber development – overcrowding leads to smaller potatoes and competition for nutrients.

Absolutely, and you should! Quality fabric bags are designed for multiple seasons of use. After harvest, empty the soil (compost it or use it for non-potato plants to avoid disease buildup), then rinse the bags thoroughly with a hose. Let them dry completely before folding for storage. I’ve been using my CAVISOO bags for three years now, and they’re still going strong. Just inspect for any tears or weakened handles each season.

With quality fabric grow bags, you usually don’t need additional drainage material. The fabric itself provides excellent drainage, and adding rocks or gravel actually reduces the soil volume available for potato growth. However, if you’re placing bags on surfaces where you don’t want moisture (like wooden decks), consider putting them on pot feet or a small platform to allow air circulation underneath. The only exception is if you’re using non-fabric containers – then yes, add several inches of gravel at the bottom.

Fabric bags dry out faster than traditional containers, so you’ll need to water more frequently. During active growth in warm weather, check moisture daily by sticking your finger an inch into the soil. If it feels dry, water thoroughly until it runs out the bottom. The goal is consistent moisture – not soggy, not bone dry. Early morning watering is best to reduce evaporation. One advantage of fabric bags is that it’s almost impossible to overwater if they have proper drainage.

They’re fantastic for many root vegetables and more! I’ve successfully grown carrots, sweet potatoes, onions, and even tomatoes in these same bags. Root vegetables particularly benefit from the loose, well-drained soil that fabric containers provide. The harvest windows work beautifully for carrots and beets too. Just match the container size to the plant’s needs – tomatoes might need staking in bags, while shallow-rooted greens do well in smaller versions of these containers.