Are Bagasse Plates Really Compostable? What You Need to Know

Bagasse plates have become increasingly popular as an alternative to plastic and polystyrene disposables. They're marketed as compostable, eco-friendly, and sustainable — but what does that actually mean in practice? Here's an honest look at what bagasse is and whether it lives up to its green credentials.

What Is Bagasse?

Bagasse is the fibrous material left over after sugarcane stalks are crushed to extract juice. It's essentially agricultural waste — a by-product of sugar production that would otherwise be burned or discarded. Using bagasse to make plates and containers gives this waste material a second life, which is why it's considered a sustainable choice.

Are Bagasse Plates Actually Compostable?

Yes — genuine bagasse plates are certified compostable. They break down in industrial composting facilities within 45–90 days, and in home compost heaps within 2–6 months depending on conditions. This is significantly faster than plastic (which never truly biodegrades) or even paper plates (which can take longer in landfill conditions).

Look for plates certified to EN 13432 (the European standard for compostable packaging) or ASTM D6400 (the US equivalent). These certifications confirm the product meets specific standards for biodegradability and compostability.

Can You Put Bagasse Plates in Your Home Compost?

Yes, but with some caveats. Bagasse plates will compost at home, but they break down faster in industrial composting facilities where temperatures are higher. In a home compost heap, break the plates into smaller pieces before adding them — this speeds up the process significantly. Avoid composting plates that have been heavily soiled with meat or dairy, as this can attract pests.

Are They Microwave and Freezer Safe?

Quality bagasse plates are both microwave and freezer safe. They can withstand temperatures up to approximately 120°C in the microwave and are suitable for freezing food. They are not suitable for conventional ovens.

How Do They Compare to Paper Plates?

Feature Bagasse Plates Paper Plates
Material source Sugarcane waste (by-product) Virgin or recycled wood pulp
Compostable Yes (certified) Sometimes (depends on coating)
Microwave safe Yes Usually yes
Leak resistant Good — handles wet food well Poor — soaks through quickly
Rigidity Firm and sturdy Flimsy, especially when wet
Suitable for hot food Yes Limited

Shop compostable bagasse plates and containers at Reign Goods — free delivery on orders over £30.