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Thoughts from the Grubhouse

Science-backed guides on Black Soldier Fly Larvae farming, composting, and live feed for chickens and reptiles. Written by Travis at Blue Grub Farms.

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Feeding ·Jun 28, 2026 · 4 min read

Can Black Soldier Fly Larvae Eat Coffee Grounds?

A lot of people swear spent coffee grounds are great BSFL feed. The growth data says otherwise — slow, small larvae, plus a real caffeine risk. Here's where ...

Travis Berryhill
BSFL ·May 19, 2026 · 6 min read

What Do Black Soldier Fly Larvae Eat?

BSFL eat fruit scraps, coffee grounds, eggshells, and grains. Learn what to feed your colony, what to avoid, and how diet affects larval nutrition.

Travis Berryhill
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