Composting physalis with worms
Physalis berries and their characteristic papery husks (calyxes) are suitable for your Bonter vermicomposter. The berry itself breaks down quickly and is nutritious, while the husk takes a bit longer to digest. Together they form compostable material that, with the right approach, can be processed well into valuable compost.
Can physalis scraps go in your worm bin?
Yes, both the physalis berry itself and the dry, papery husk (calyx) are allowed in the worm bin. The berry is small, soft, moist, and slightly sugary. This causes it to break down quickly, similar to other small berries, and provides valuable nutrients. The calyx is dry and fibrous and takes longer to compost than the berry, but it is eventually broken down. Physalis thus provides a mix of ‘green’ (the berry) and ‘brown’ (the husk) material, which contributes to balanced composting in your Bonter.
How much physalis can you add?
Add physalis scraps regularly, but in moderation. Because the berry is moist and the husk takes a bit longer to break down, it is important to maintain a good mix with other kitchen waste and sufficient extra ‘brown’ material (such as shredded cardboard, paper) in your Bonter. This helps with processing the husk and regulating moisture. Large quantities of husks can slow down breakdown if not well mixed. Add small quantities of physalis waste spread throughout the bin.
What to do instead? Alternatives & waste management
Physalis scraps are well suitable for the Bonter, so you can usually accommodate them there just fine, provided you manage them well as described above! The berries themselves are delicious to eat, so try to prevent food waste; that’s the best ‘processing’. If you unexpectedly have large quantities, for example, after processing a lot of fruit, they can also go on a traditional compost heap, where the husk can break down better in a larger mass. It is important that this valuable organic material does not end up in general waste.
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Tips for safe physalis composting
The berries do not need to be cut due to their small size. The papery husks can optionally be torn or cut into smaller pieces to speed up breakdown; this helps the worms and microbes along. Always mix physalis scraps (berry and husk) well with other waste and with extra dry ‘brown’ material (cardboard, paper). Bury the waste under a layer of bedding. The berries, like other sugary fruit, can attract fruit flies if left on top. Covering well helps prevent this, and the Bonter’s air filter minimizes any odors that arise in the bin.
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Frequently asked questions about composting physalis
Can the papery husks of physalis go in the worm bin?
Yes, the husks are compostable, but they are dry and fibrous and break down slowly. Optionally tear or cut them smaller and mix well with moist waste.
Do physalis berries attract fruit flies?
Do I need to cut physalis berries?
Is physalis too acidic for compost worms?
How much physalis waste can I safely add?
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