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Did you know that used coffee grounds can be a powerful asset in your garden? Far from being just a kitchen waste, coffee grounds can promote healthier growth and even help protect plants from certain diseases. From flowers and veggies to herbs and fruit trees, adding coffee grounds to your garden offers a natural, eco-friendly way to give plants a little extra support.
This simple addition is especially beneficial for acid-loving plants, but many others can thrive with it too. Let’s explore which plants in your garden will benefit most from coffee grounds!
Camellias
Camellias benefit from the organic matter and nitrogen coffee grounds introduce into the soil. These elements encourage strong leaf growth and enhance the plant’s health, leading to more vibrant blooms.
Radishes
Radishes grow incredibly quickly and need highly fertile soil to support this rapid growth. The nitrogen in coffee grounds supports the development of healthy roots, resulting in larger, crisper radishes.
Blueberries
Apply coffee grounds around the base of blueberry plants in the spring to help retain moisture, enhance soil fertility, and support healthy fruit production.
Roses
Roses benefit greatly from the nitrogen content in coffee grounds, which promotes lush foliage and vibrant blooms. To make the most of these nutrients, apply coffee grounds in early spring, just before the growing season begins.
Tomatoes
Apply coffee grounds to the soil around young tomato plants in the spring for a nitrogen boost that starts them with a strong start. Coffee grounds also improve soil structure, helping to retain moisture for these thirsty plants.
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Grapes
Coffee grounds improve soil fertility and encourage vigorous grapevine growth. Incorporate coffee grounds into the soil at the base of grapevines in the spring for the best results.
Basil
Coffee grounds stimulate leafy growth in basil plants, guaranteeing lush harvests all summer. Basil and tomatoes are the perfect companions, and both happen to love coffee grounds, so it’s a win-win situation!
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Azaleas
Coffee grounds provide essential nutrients that lead to healthier azalea plants with prolific blooms. It’s best to apply coffee grounds in the spring, as the azaleas begin to show new growth, ensuring they have the resources needed for robust flowering.
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Carrots
Carrots benefit from the slow-release nutrients provided by coffee grounds, which help improve root development and overall growth. Mixing coffee grounds into the soil before sowing carrot seeds in the spring can lead to a better harvest.
Blackberries
Apply coffee grounds to the base of blackberry canes in the spring or fall to enrich the soil and support healthy growth and fruit production.
Parsley
Like most leafy green herbs, parsley benefits from the slow-release nutrients in coffee grounds. Mix coffee grounds into the soil in the spring to enhance its fertility and structure, boosting your parsley harvest.
Strawberries
Strawberries are greedy feeders and benefit from coffee grounds’ nutrients and organic matter. Coffee grounds can also help repel slugs and other bugs that like to munch on your precious strawberry crop.
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Spinach
Apply coffee grounds to the soil around spinach plants in the spring or early summer to support lush, green leaf growth throughout the growing season.
Begonias
The nitrogen in coffee grounds supports healthy leaf growth in begonia plants while improving soil structure and water retention. Applying a thin layer of coffee grounds in the spring can help begonias get off to a strong start, with the nutrients slowly released over time.
Raspberries
Raspberries respond well to coffee grounds, which enhance soil fertility and improve soil structure. The organic matter in the grounds helps retain moisture and provides a slow-release source of nutrients that support vigorous growth and fruiting. Apply coffee grounds in the spring or fall, mixing them into the soil or using them as mulch around the raspberry canes.
Cucumbers
The nitrogen in coffee grounds supports healthy cucumber vine growth and fruit production. Mix coffee grounds into the soil in the spring before planting seedlings for the best results.
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How to Use Coffee Grounds on Houseplants
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