Feeding Freeze-Dried Bloodworms to Carnivorous Plants: What You Need to Know

Many carnivorous plant enthusiasts wonder whether freeze-dried bloodworms—commonly sold as fish food—are a safe and effective supplement for their plants. These bloodworms are actually the freeze-dried larvae of non-biting midges (often Chironomus species), not mosquitoes, and their red color comes from hemoglobin. They're 100% natural, with no additives, and readily available at pet stores like Petco and PetSmart.

Are Freeze-Dried Bloodworms Safe?

Yes, feeding rehydrated freeze-dried insects is perfectly fine for most carnivorous plants. In fact, it's an excellent option when your plants aren't catching enough prey on their own. The key is to hydrate them first in distilled or rainwater before offering them to your plants.

Which Plants Respond Best?

• Pitcher plants (Sarracenia, Nepenthes, Heliamphora, Darlingtonia): Excellent candidates. They readily accept rehydrated insects.
• Sundews (Drosera) and Butterworts (Pinguicula): Also respond well to this feeding method.
• Venus Flytraps (Dionaea): The exception. Flytraps typically require live, moving prey to trigger complete trap closure and initiate digestion. Rehydrated, motionless bloodworms usually won't work.

How to Feed

Soak the freeze-dried bloodworms in distilled water for a few minutes until they soften. For pitcher plants, simply drop a few into each pitcher. For sundews and butterworts, place a small piece on the sticky leaves. Avoid overfeeding—one or two worms per pitcher or leaf every few weeks is plenty.

This method provides a convenient, mess-free way to supplement your plants' nutrition, especially during periods when natural prey is scarce.