Composting asparagus with worms
Asparagus, including the ends and peels, can find a place in your Bonter worm bin. They are a natural addition, but due to their fibrous structure, it’s helpful to know how best to offer them for efficient processing by your worms.
Can asparagus go in your worm bin?
Yes, asparagus scraps are allowed in your Bonter worm bin, but it’s important to handle them strategically. Asparagus contains useful nutrients for your compost worms, but the harder, fibrous parts break down slower than, for example, softer leafy greens. Your worms and the microorganisms in the bin will eventually process them, but it may take a bit longer.
How much asparagus can be added?
Large quantities of fibrous material at once can slow down processing and potentially cause unwanted odors if left for too long. A small amount, mixed with other, easier-to-process kitchen waste and sufficient ‘brown’ material (like cardboard or paper), is ideal. Keep an eye on the bin to see how quickly the asparagus is processed.
What to do instead? Alternatives & waste management
Asparagus scraps are perfectly suitable for your worm bin if you add them correctly. If you unexpectedly have an excessive amount, or want to speed up decomposition? The hard ends can potentially be composted separately if you have the possibility to do so. The thinner parts and peels are most suitable for your worms. Remember to always maintain a good mix of kitchen scraps and shredded cardboard.
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Tips for safe asparagus composting
Make it easier for your worms by cutting asparagus scraps into small pieces (about 1-2 cm). This increases the surface area and significantly speeds up decomposition. Bury the pieces under the bedding material to discourage any fruit flies. Thanks to Bonter’s integrated air system, you generally don’t have to worry about odors, but burying well always helps.

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Frequently asked questions about composting asparagus
Do asparagus break down quickly?
No, due to the fibers, it takes longer than, for example, leaf lettuce. Cutting them smaller helps the worms immensely.
Can I add cooked asparagus?
Yes, cooked or steamed asparagus without additions like butter or salt are fine for the worm bin.
Can the hard, woody ends also go in?
Yes, they can go in, but cut them extra small and be aware that they will break down slowly due to the many fibers.
Do asparagus scraps attract pests?
Less so than sweet fruit, but by burying them under the bedding, you minimize the chance of unwanted visitors. The air filtration of your Bonter also helps enormously against odors and flies.
Can I add moldy asparagus?
Yes, small amounts of moldy or overripe asparagus scraps are allowed in the bin. The mold even helps with the decomposition process. Mix it well with other waste.
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