Fabric Pots vs Plastic Pots: Pros, Cons & Which Is Best for Plant Growth

When it comes to container gardening, one of the most important decisions growers make is choosing the right pot. The debate between fabric pots vs plastic pots is increasingly relevant for home gardeners, hydroponic growers, and commercial cultivators alike.

Both options are widely available and affordable, but they perform very differently when it comes to root health, water retention, oxygen flow, and overall plant growth. Understanding these differences can significantly impact your plant's yield, health, and longevity.

In this guide, we break down everything you need to know about fabric pots vs plastic pots, including their pros, cons, and which one is truly best for your setup.

What Are Fabric Pots?

Fabric pots, often called grow bags, are containers made from breathable, porous materials such as felt or non-woven fabric, designed to allow air and water to pass through the sides.

The biggest innovation behind fabric pots is air pruning, where roots stop growing in a circular pattern and instead branch out when exposed to air, resulting in a more fibrous and efficient root system. This effect is well documented in horticultural research - see University of Florida IFAS Extension's guide to growing in containers for more on how container material affects root development.

Key Features of Fabric Pots

• Breathable material for improved oxygen flow
• Encourages air pruning of roots
• Lightweight and portable
• Improved drainage

What Are Plastic Pots?

Plastic pots are the traditional choice in gardening and horticulture. Made from rigid plastic, they hold soil and water without allowing air to pass through the sides, and are commonly used in nurseries, home gardens, and commercial production due to their durability and affordability.

Key Features of Plastic Pots

• Non-porous structure
• Strong water retention
• Durable and reusable
• Available in various sizes and shapes

Fabric Pots vs Plastic Pots: Side-by-Side Comparison

Here's how the two container types stack up across the factors that matter most for plant growth:

Factor	Fabric Pots	Plastic Pots
Root health	Air pruning promotes dense, fibrous roots; no root circling	Prone to root circling and root-bound plants
Oxygen flow / aeration	Excellent - porous walls allow airflow to roots	Poor - non-porous walls restrict root oxygen
Watering frequency	More frequent - dries out faster	Less frequent - retains water longer
Temperature regulation	Stays cooler; airflow prevents overheating	Can trap heat in direct sunlight
Durability / lifespan	Moderate - may fray or lose structure over multiple cycles	High - resists tearing and UV wear, lasts for years
Portability / storage	Lightweight, foldable, easy to store	Heavier, takes up more storage space
Cost	Slightly higher per unit; better long-term value	Cheaper upfront; widely available
Aesthetics	Simple, utilitarian fabric look	Wide range of colours, finishes and shapes

Pros and Cons of Fabric Pots

Pros

• Promotes air pruning and healthier roots
• Excellent oxygenation and drainage
• Reduces risk of overwatering
• Improves nutrient uptake efficiency
• Lightweight and easy to move

Cons

• Requires more frequent watering
• Can dry out quickly in hot climates
• Less durable over long-term reuse
• May need saucers or trays indoors to catch drainage

Pros and Cons of Plastic Pots

Pros

• Excellent water retention
• Highly durable and long-lasting
• Affordable and widely available
• Suitable for all plant types
• Easy to clean and reuse

Cons

• Risk of root circling
• Poor aeration compared to fabric pots
• Can overheat in direct sunlight
• Higher chance of overwatering issues

Which Is Better for Plant Growth?

The answer depends on your growing conditions, plant type, and goals.

Choose Fabric Pots If:

• You want maximum root development and plant growth
• You are growing vegetables, herbs, or fast-growing plants
• You practice indoor or controlled environment gardening
• You want improved oxygen flow and healthier soil biology

Choose Plastic Pots If:

• You need long-lasting, reusable containers
• You are gardening outdoors in dry or hot climates
• You prefer lower-maintenance watering schedules
• You are working with large-scale planting or nurseries

Fabric Pots vs Plastic Pots for Different Plants

Vegetables (Tomatoes, Peppers, Herbs)

Fabric pots are generally superior thanks to improved root structure and oxygen flow, leading to higher yields and healthier plants.

Succulents and Cacti

Plastic pots often perform better because they retain moisture longer, reducing the risk of dehydration.

Cannabis Cultivation (Indoor/Outdoor)

Fabric pots are widely preferred by growers because they promote strong root development, better nutrient uptake, and improved overall plant vigour - especially when paired with a well-draining medium like coco coir. See our complete guide to growing cannabis in coco for more on this pairing.

Flowers and Ornamentals

Both work well, but fabric pots often produce more vibrant growth thanks to healthier root systems.

Watering Considerations

One of the biggest adjustments when switching to fabric pots is watering frequency, since they dry out faster. You may need to water more often, mulching can help retain moisture, and drip irrigation works especially well with fabric pots. Explore our watering and irrigation range to automate this. Plastic pots require less frequent watering but demand careful monitoring to avoid overwatering and root rot - see our full guide to grow mediums for how your substrate choice interacts with pot type, or read our full growing medium guide.

Environmental Impact

Fabric pots are often seen as more environmentally friendly due to their breathable design and reduced need for chemical root inhibitors. Plastic pots, however, are recyclable in many cases and can be reused for years if properly maintained.

Final Verdict: Fabric Pots vs Plastic Pots

There is no universal winner, but there is a clear distinction in performance: fabric pots deliver better plant growth, stronger root systems, and improved aeration, while plastic pots deliver better durability, water retention, and cost efficiency.

If your goal is maximum plant performance and yield, fabric pots are generally the superior choice. If you prioritise convenience, durability, and low maintenance, plastic pots remain a reliable option. Many growers use a hybrid approach - fabric pots for high-performance crops, plastic pots for slower-growing or outdoor plants.

FAQ

Do fabric pots really grow bigger plants than plastic pots?

Fabric pots generally produce healthier, more fibrous root systems through air pruning, which often translates into stronger overall growth and yield, though genetics, nutrients, and light still play the larger role in final plant size.

How much more often do I need to water fabric pots?

Fabric pots typically need watering 20-30% more often than plastic pots of the same size, since their breathable walls allow moisture to evaporate faster. Drip irrigation helps offset this.

Can I reuse fabric pots for multiple grow cycles?

Yes, fabric pots can be reused for several cycles if rinsed and dried between uses, though they will naturally fray and lose some structure faster than plastic pots over time. Thoroughly cleaning pots between cycles is part of good grow room hygiene - see our guide on how and why to clean your grow space to help prevent disease carryover between crops.

Are fabric pots better for cannabis specifically?

Many cannabis growers prefer fabric pots because the air-pruned root system supports vigorous growth and efficient nutrient uptake, which is especially valuable during the vegetative stage.

What size pot should I buy?

Pot size should scale with your plant's expected root mass and grow cycle length - smaller pots (10-20L) suit shorter vegetative periods, while larger pots (25L+) suit plants grown to full maturity indoors.

Ready to choose your containers? Browse our full range of fabric and plastic pots, trays and domes. Not sure which size or type suits your grow? WhatsApp us on 0718837026 or visit us at 2 Yaron Avenue, Glenanda, Johannesburg - nationwide delivery, free shipping over R1250.