Does basil like coffee grounds?
Emily Sparks
Published Jan 07, 2026
Yes, coffee ground fertilizer is safe for basil and other herbs. Again, just use it sparingly. Herbs definitely benefit from the nitrogen boost that coffee grounds provide.
How do you fertilize basil with coffee grounds?
Thinly sprinkle used coffee grounds onto the soil of your basil plant, and then work it into the soil. This is a cheap, and environmental-friendly way to give the soil a nutrient boost. Bear in mind that because coffee grounds are a slow-release fertilizer, they won't immediately release nitrogen into the soil.
Which herbs benefit from coffee grounds?
Which Herbs Benefit From Coffee Grounds? Unlike used coffee grounds, freshly ground (unbrewed) coffee grounds contain more acid, which means they have a bit less acidic taste. Fresh ground helps those acid-loving plants such as hydrangeas, rhododendrons, azaleas, lily of the valley, berries, carrots, and radishes grow.
What type of fertilizer is best for basil?
Fertilize Properly
Feed your basil plants with a good organic fertilizer every four to six weeks for indoor plants and every 2-3 weeks for outdoor. A well-balanced fertilizer with equal amounts of nitrogen, potassium, and phosphate, will help to boost leaf production.
Which plants do not like coffee grounds?
In most cases, the grounds are too acidic to be used directly on soil, even for acid-loving plants like blueberries, azaleas and hollies. Coffee grounds inhibit the growth of some plants, including geranium, asparagus fern, Chinese mustard and Italian ryegrass.
19 related questions foundAre coffee grounds good for potted plants?
Yes! Coffee grounds can be especially beneficial to houseplants when used as a mulch, pesticide, compost, or fertilizer. You can even water your plants using coffee.
Can you put coffee grounds on herbs?
Yes, coffee ground fertilizer is safe for basil and other herbs. Again, just use it sparingly. Herbs definitely benefit from the nitrogen boost that coffee grounds provide.
How do I make my basil greener?
How Do I Make My Basil Greener?
- Expose the Basil plant to some moderate amount of direct sunlight. ...
- Make use of an excellent organic fertilizer to supplement the soil. ...
- Water the Basil plants with moderate amounts of water.
What should I feed my basil plant?
Instead of a dry fertilizer, use a water-soluble fertilizer mixed at half strength. You can also use an organic fertilizer such as fish emulsion or liquid seaweed.
Is Epsom salt good for basil?
If you are growing basil organically, add good dose of organic compost when planting and after pruning/harvesting. Adding Epsom salts for herbs will bring out a lush green crop. Remember this when growing basil.
What type of soil is best for growing basil?
Basil likes rich, moist, but well-drained soil with a pH of 6 to 7. Test your soil, or simply improve it by adding plenty of organic nutrients from compost, blood meal, or cottonseed meal.
Can you add coffee grounds directly to soil?
Lewis Spencer adds: 'To use coffee compost, simply sprinkle the grounds directly onto your soil and lightly rake it in. Coffee grounds add organic material to the soil, helping water retention, aeration and drainage. 'Leftover diluted coffee can create a liquid plant fertilizer, too.
How do you fertilize basil naturally?
As a simple homemade fertilizer, you can re-use coffee grounds, stale beer, tea (green or black tea) or mineral water. Using fertilizers like coffee grounds for your basil also helps put food waste back to use and saves you money.
Does cilantro like coffee grounds?
ANSWER: To put it bluntly, no—coffee grounds are not good for herbs, and they should be used with care around the plants that do benefit from them.
Do coffee grounds improve clay soil?
Although composting can be a high art form, if you simply add decomposing plant matter like leaf mold, coffee grounds or kitchen peelings you continually improve your clay soil and improve its fertility as well! Greensand, bone meal, blood meal, fish fertilizers,…they are all good.
Are eggshells good for basil plants?
Things like eggshells, coffee grounds and banana peels are said fertilize your garden and boost the growth of your plant. However, there are few people who discard use of eggshells in garden calling it a myth.
How often do you water basil?
Basil likes to stay moist and requires approximately 1 inch of water every week. Water deeply at least once a week to keep roots growing deep and the soil moist. Basil growing in containers will need more frequent watering. Your goal when growing basil in a container is to keep the soil from drying out.
How do you promote basil growth?
Basil plants initially grow one central stem. Once they are reach 6-8 inches tall, pinch the central stem back by half and about ¼ inch above the leaf axils. This will force the plants to branch and grow more leaves. As the plants keep sending out new branching stems, continue to pinch them back in the same manner.
Why do my basil leaves turn yellow?
There are three reasons why basil yellows: too much water, too little sun, and/or not enough nutrients. Stop watering, move the pot to a sunnier location, and feed it with a balanced 10-10-10 fertilizer.
Why do I keep killing my basil?
The two most common causes of a Basil plant dying are overwatering and underwatering. Temperature stress, lighting problems, disease, or pests are also common causes of a basil plant wilting or dying. Basil plants are usually annuals, so individual plants typically only last one growing season.
Why are my basil leaves skinny?
White spots or burnt leaves mean the plant is too close to its light source, or receiving too much sunlight. Try moving it farther away. Thin, curling leaves indicate the basil is under stress. This could mean it's too hot, thirsty, or getting too much light.
Do you water basil from the top or bottom?
Should You Water Basil From the Top or Bottom?
- It is best to water basil from the bottom. ...
- Watering plants from the bottom rather than from the top promotes root growth since the roots are encouraged to grow and stretch to reach the water.
Can I put coffee grounds on my mint plant?
Yes, you can use coffee grounds as composting feedstock, mulch, and fertilizer for your mint. It enhances soil quality and provides nitrogen and other nutrients that boost growth. Plus, it can acidify the soil, control diseases, and keep off pests.
What can I do with old coffee grounds?
16 Creative Ways to Use Old Coffee Grounds
- Fertilize Your Garden. Most soil does not contain the essential nutrients needed for optimal plant growth. ...
- Compost It for Later. ...
- Repel Insects and Pests. ...
- Remove Fleas from Your Pet. ...
- Neutralize Odors. ...
- Use It as a Natural Cleaning Scrub. ...
- Scour Your Pots and Pans. ...
- Exfoliate Your Skin.
How often should you put coffee grounds on plants?
Just don't add too many at once, because the acidity could bother your worms. A cup or so of grounds per week for a small worm bin is perfect. In addition to using coffee grounds in your worm bin, earthworms in your soil will also be more attracted to your garden when you use them mixed with the soil as fertilizer.