Cathy's Crawly Composters, Vermicomposting, Indoor composting with Red Wiggler Worms


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Red Wiggler Worms - One pound

Cathy's Crawly Composters

Red Wiggler Worms

It's official ...

A group of worms is called a Squirm

Did you know that worms have 5 hearts!
Did you know that a worm can eat it's body weight each day!
Did you know that worms can live up to 10 years!

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Red Wigglers or European Nightcrawlers in your back yard composter can significantly increase the compost process.

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What's so special about Red Wigglers?

Red Wigglers (eisenia fetida) are from the same family as the common earthworm or Canadian Night Crawlers (Lumbricus terrestris) you see on your driveway after a rain. The main reason Red Wigglers are preferred vermiculture specialists is their diet. Composting worms, such as the Red Wigglers and Europen Night Crawlers need a lot of nitrogen. They get the nitrogen from the organic food scraps we feed them or in the wild, what ever they may find in a compost pile or something rotting. Another important difference is that Canadian Night Crawlers like to draw food down into burrows (up to 6 feet deep), whereas Red Wigglers prefer to eat on the go. Being top feeders, Red Wigglers and Euros scavenge for food just 6" - 12" below the surface, making them perfect for a composting environment.

Reds vs Euros

What is the difference between Red Wigglers and European Nightcrawlers:

The biggest difference you will notice between the Reds and the Euros is the size. European Nightcrawlers are a larger worm. Bigger than the Red Wigglers and slightly smaller that the Canadian Nightcrawlers (the ones you see on the sidewalk after a rain). Because they are a larger worm, many people raise European Nightcrawlers if they want both a good composting worm and a bait worm they can take fishing.

No bones about it!

Did you know that worms do not have any bones. Their bodies are made up of hundreds of small rings called 'Segments'. They move by manipulating each segment with tiny circular muscles beneath their skin. They secrete a slippery fluid that let's them move easily through the earth.


No eyes, no ears, but lots of heart!

Worms do not have eyes or ears but are very sensitive to light. They generally avoid bright sunshine. Each worm has 5 hearts, so you gotta love them! Their bodies are sensitive to movement and vibrations. It is hard to sneak up on a worm. Worms usually know when people are near simply by the vibrations they make by walking.


Worms are cold-blooded creatures, their body temperature is determined by their surroundings. Red Wigglers are most active when the temperature is kept between 16 - 28C (60 - 80F). They become sluggish and eat less when the temperature falls out of this range.

Worm sex

Worms are Hermaphrodites. That means that each worm has both female and male sex organs. You may have noticed a swollen area about 1/3 the way down the length of some worms. This area is called the Clitellum. The presence of this section signifies that the worm is sexually mature. Worms will join together tightly to exchange fluids. Each worm will collect sperm from a partner and then store it for a few days. This time lag is to ensure that worm's own sperm dies off before fertilization takes place. Eventually, the sticky substance around the Clitellum will harden and form into a cocoon. The worm will back out, sliding the cocoon over its head. Eggs and sperm are deposited in the cocoon as it passes along the worm's body. The cocoons (or egg sacs) are deposited in the soil to incubate. Each cocoon can contain up to 20 fertilized eggs, the average is 2 - 6. After around 3 weeks the cocoon will hatch and the baby worms will emerge, hungry and ready to eat.

Find out how to setup and maintain a Vermicomposter.


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Cathy's Crawly Composters

Bradford, Ontario
Local: (905) 775-9495
Toll Free: 1-888-775-9495