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Description
best worm castings for indoor plants Worm Castings – Gentle Organic Amendment for Potting MixesWorm castings gentle organic amendment for substrate recipes Worm castings are useful where a custom blend needs a small organic nutrient contribution. They should stay in proportion with the rest of the recipe because their fine texture changes how the pot holds water. Key points Mild amendment: background nutrition for suitable mixes Fine texture: softens very mineral blends Small amounts: helps avoid a dense, slow drying pot Not for lean plants:
Worm castings – gentle organic amendment for substrate recipes
Worm castings are useful where a custom blend needs a small organic nutrient contribution. They should stay in proportion with the rest of the recipe because their fine texture changes how the pot holds water.
Key points
- Mild amendment: background nutrition for suitable mixes
- Fine texture: softens very mineral blends
- Small amounts: helps avoid a dense, slow-drying pot
- Not for lean plants: skip carnivorous and ultra-low-nutrient substrates
Details
Pair a small amount with open materials such as bark, pumice, perlite or lava rock. That keeps the substrate from becoming too soft while still bringing an organic component.
More information
Worm castings do not replace an appropriate fertilising routine for plants that need regular nutrition. They are also unsuitable for carnivorous plants and other very lean systems.
At a glance
Use as directed on the label and dose to current growth. Start at the lower end of the range after repotting or during low-light periods, then adjust based on response.
If you grow in inert or mineral substrates, follow the brand’s guidance for that setup and avoid stacking multiple feeds at once.
Useful overview
- Mix fresh each time and avoid storing diluted solution.
- Rinse the pot occasionally with plain water if salts build up.
- Store tightly closed and out of reach of children and pets.
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