Looking for a natural way to boost your garden’s growth? Compost tea is a gentle, chemical-free solution that feeds your plants, improves soil health, and encourages beneficial microbes.
These 10 DIY compost tea ideas use ingredients you likely already have and can be tailored to your garden’s unique needs.
Basic Compost Tea
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Steep well-aged compost in a bucket of water for 24–48 hours, then strain. This classic tea is rich in nutrients and great for general use on all plants.
Worm Casting Tea
Use vermicompost (worm castings) to create a microbe-rich brew that’s especially good for seedlings and potted plants.
Banana Peel Tea
Soak chopped banana peels in water to create a potassium-rich solution perfect for fruiting plants like tomatoes and peppers.
Weed Tea
Don’t toss your pulled weeds—soak them in water for several days to extract nutrients. Just be sure the weeds haven’t gone to seed!
Fish Emulsion Compost Tea
Mix a small amount of fish emulsion into your compost tea for a nitrogen and phosphorus boost. This is great for leafy greens.
Used Coffee Ground Tea
Steep used coffee grounds in water overnight to give acid-loving plants like blueberries and azaleas a gentle nitrogen boost.
Comfrey Leaf Tea
Comfrey is high in potassium and makes a powerful bloom-boosting compost tea. Let the leaves steep for a few days until the tea turns dark and rich.
Garlic Compost Tea
Add crushed garlic to your compost tea to help deter fungal diseases and pests while feeding the soil. Best used sparingly around sensitive plants.
Manure Tea
Steep aged cow, horse, or rabbit manure (never fresh!) in water to create a nutrient-packed tea. Ideal for heavy feeders like corn and squash.
Seaweed Compost Tea
Fresh or dried seaweed adds micronutrients and plant growth hormones. Combine it with compost or use it on its own for a mineral-rich tonic.
Compost teas are simple, effective, and great for your soil. Skip the synthetics and brew your own—your plants will love the natural boost.
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