worm castings
Earthworm Castings - HollandBasics Premium Organic Vermicompost, 5L Gentle Natural Fertilizer for Indoor Plants
Earthworm Castings - HollandBasics Premium Organic Vermicompost, 5L Gentle Natural Fertilizer for Indoor Plants
Regular price
$35.99 CAD
Regular price
$35.99 CAD
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Description
Description
Supercharging your soil biology is the most effective method for growing vigorous, resilient plants. These HollandBasics premium earthworm castings act as an incredibly potent organic fertilizer, instantly delivering a rich profile of beneficial microbes directly to your root zone. You can safely nourish your most delicate indoor foliage without any fear of causing harsh chemical burns.
This pure, high-quality vermicompost is naturally packed with humic acids, essential trace minerals, and perfectly balanced macronutrients. When you apply these worm castings, they actively work to improve the physical structure of your medium, increasing crucial moisture retention while preventing heavy dirt from compacting. They function as a highly bio-available indoor plant fertilizer, releasing a steady, slow drip of nitrogen, phosphorus, and potassium exactly when your plants demand it. Because it is completely non-toxic and natural, you can apply it heavily to sensitive new seedlings or expensive tropicals to trigger immediate, robust vegetative growth.
You can easily mix this amendment into your base potting mix at a 15-20% ratio before potting up your leafy greens or hungry aroids. It serves as an excellent top dressing; simply scratch a handful into the top layer of your existing pots and water it in. For rapid nutrient delivery, you can steep this premium earthworm castings blend overnight to brew a highly effective compost tea. Each bag contains 5L of carefully sifted, odor-free goodness from HollandBasics, providing your garden with the absolute highest standard of biological support.
Recommended Use
Recommended Use
Follow label instructions for application rates and frequency.
Safety & Handling
Safety & Handling
Always follow label safety instructions. Keep out of reach of children and pets. Use protective equipment if required when handling soil amendments, powders, or concentrated nutrients.
Application & Storage
Application & Storage
Store in a cool, dry place away from direct sunlight and moisture. Reseal packaging tightly after use to maintain product quality and effectiveness.

Perfect For Growing
Suitable for both beginner and experienced gardeners.
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Indoor Houseplants
Herbs & Leafy Greens
Vegetables & Edibles
Container & Balcony Gardens
Raised Beds & Backyard Growing
-
Indoor Houseplants
Herbs & Leafy Greens
Vegetables & Edibles
Container & Balcony Gardens
Raised Beds & Backyard Growing
-
Indoor Houseplants
Herbs & Leafy Greens
Vegetables & Edibles
Container & Balcony Gardens
Raised Beds & Backyard Growing
-
Indoor Houseplants
Herbs & Leafy Greens
Vegetables & Edibles
Container & Balcony Gardens
Raised Beds & Backyard Growing
-
Indoor Houseplants
Herbs & Leafy Greens
Vegetables & Edibles
Container & Balcony Gardens
Raised Beds & Backyard Growing
-
Indoor Houseplants
Herbs & Leafy Greens
Vegetables & Edibles
Container & Balcony Gardens
Raised Beds & Backyard Growing
-
Indoor Houseplants
Herbs & Leafy Greens
Vegetables & Edibles
Container & Balcony Gardens
Raised Beds & Backyard Growing
-
Indoor Houseplants
Herbs & Leafy Greens
Vegetables & Edibles
Container & Balcony Gardens
Raised Beds & Backyard Growing
Frequently Asked Questions
Have questions? We've got answers for Canadian gardeners.
We process and ship all orders within 1-2 business days. For most items, you can expect your delivery to arrive within 5-7 business days. Once your order ships, you will receive a confirmation email with tracking information.
We stand behind the quality of our products. If you are not completely satisfied with your purchase, please contact our support team within 30 days of receiving your order, and we will be happy to assist you with a resolution or return.
Yes, most of our premium brands (like FoxFarm, Gaia Green, and J PLUS T) can be used together. However, we recommend starting with half-strength when mixing different nutrient lines to avoid over-feeding your plants.
Absolutely! Most of our growing media and nutrients are designed for versatility. Whether you have a balcony herb garden, indoor houseplants, or a backyard vegetable patch, our products are built to perform.
Most of our organic lines are eco-friendly, but we always recommend keeping all gardening supplies out of reach of pets and children as a precaution. Please refer to the specific safety labels on the packaging for any concentrated formulas.
Keep all items in a cool, dry place away from direct sunlight. For soils and fertilizers, ensure the bags are tightly sealed after use to prevent moisture buildup or nutrient loss.