The gardening season has long since begun and hobby gardeners currently have their hands full. Her to-do list for the garden contains numerous tasks that also take up a lot of time. For example, after the long winter, you have to enrich the garden soil with new nutrients. In addition to sowing, you also have to take care of the garden flowers, so that later they will delight the eye with their magnificent blossoms. The list of necessary activities in your own garden is really long, so now is the right time to get to work and do everything step by step! As always, we want to help and make your gardening easier with useful information and clever tips. Today we show you how to use your coffee grounds to fertilize hydrangeas. Yes, hydrangeas love coffee grounds and these find wide use in the garden. You will soon find out how and when to fertilize these garden beauties with coffee grounds.
Hydrangeas love coffee grounds? How come?
These garden beauties are very popular with all flower lovers.
Hydrangeas love coffee grounds: why is it true?
The hydrangea, as the hydrangea is scientifically called, is undoubtedly one of the most popular garden flowers. These garden beauties captivate us with their wonderful hemispherical flowers and turn into great eye-catchers outside in pots, tubs or directly in the flower bed. With their white, blue, pink or violet show flowers, they create a happy atmosphere in the garden and cannot leave anyone indifferent. However, there is a lot of care and gardening behind this unique sea of flowers. Exactly when it comes to correct fertilization, the hydrangeas depend on the support of hobby gardeners. The eye-catching ornamental shrubs in pots or outdoors need a lot of nutrients and therefore have high demands on the soil. Therefore, fertilizing is of primary importance for them. In addition, the hydrangea can change its flower color depending on which nutrients and minerals it gets from the soil. This is where the coffee grounds come into play. The residue left in your coffee filter machine after brewing coffee can serve as fertilizer for hydrangeas.
Hydrangeas love coffee grounds and get important minerals from this organic fertilizer.
Why is coffee grounds an important fertilizer for hydrangeas?
It is well known that many important minerals are preserved in the coffee grounds and these must not end up in the garbage under any circumstances. Therefore, the coffee grounds are widely used as an organic fertilizer in the garden. For example, it can be used not only for hydrangeas, but for all garden flowers that prefer acidic soil. These include, for example, roses, geraniums and rhododendrons.
Coffee grounds as fertilizer enrich depleted potting soil with important nutrients.
Crops such as cucumbers, tomatoes, zucchini, strawberries and blueberries can also benefit from its use as a fertilizer. The coffee grounds contain valuable ingredients such as potassium, nitrogen, phosphorus, tannic acid and antioxidants. These can also be found in commercially available liquid fertilizers. But in the coffee grounds as a fertilizer there are no chemicals at all! With its use in the garden, you not only do your garden flowers and plants good, but also protect the environment. For this reason, many hobby gardeners are increasingly turning to organic fertilizers instead of buying liquid fertilizers from flower shops. In addition, coffee grounds are free and easy on your wallet.
Coffee grounds are an excellent organic fertilizer for many garden crops.
It not only protects the environment, but also your wallet
Hydrangeas love coffee grounds because of the ingredients they contain
Since the hydrangeas have high demands on the potting soil and their nutrient supply, you have to create the best conditions for their growth and flowering with suitable fertilizers. The hydrangea feels at home in potting soil enriched with coffee grounds, whether in a flower pot or outdoors. We briefly summarize why hydrangeas like the coffee grounds.
- The nitrogen contained in the coffee grounds promotes the leaf and flower growth of the hydrangea;
- Potassium has a great effect on the intensive flowering and leads to a high abundance of flowers;
- Low pH facilitates nutrient absorption;
- Super elements like iron, magnesium, sulfur, zinc and others are also found in coffee grounds. These intensify the growth of the flowers and improve their resilience.
The flower color of hydrangeas can change from pink to blue.
- The coffee grounds greatly affect the pH of the soil, making it lower, even below 5. This means you end up with an acidic soil after fertilizing with coffee grounds. This is of great importance for the flower color of hydrangeas. Because in acidic soil, the hydrangea always develops blue flowers. So, by using this organic fertilizer, you can change the color of your hydrangea from pink to blue. You can also find more information about blue hydrangeas by browsing our website.
Experienced hobby gardeners know the tricks of using coffee grounds for garden flowers.
When should you fertilize the hydrangeas with coffee grounds?
Collect the coffee grounds from your coffee maker each time after brewing the aromatic beverage. Then let it dry well. If you put it in the potting soil when it is moist, mold can easily form. It is best to loosen the soil around the plant’s roots with a rake or garden claw before spreading the organic fertilizer there. Follow the rules below:
- You can fertilize your potted hydrangeas once every 4 to 6 weeks.
- Hydrangea outdoors can be fertilized twice, in spring and in midsummer.
- From August you have to stop fertilizing with coffee grounds.
Hydrangeas love coffee grounds! Not only do you need to fertilize these garden beauties, you also need to water them regularly.
What other advantages does the use of coffee grounds in the garden bring you?
As mentioned above, many garden and potted flowers as well as garden plants benefit from the use of organic fertilisers. For example, in roses and geraniums, the coffee grounds help to form more intense flower colors. It has even established itself as a multi-talent in the garden. Mixed with the potting soil, the coffee grounds can effectively combat pests. Many small pests, for example, cannot tolerate the caffeine it contains. The snails can be repelled with a small dose because caffeine is toxic to them. Ants also have no place in soil enriched with coffee grounds. Earthworms, on the other hand, like its smell and do well in soil with coffee grounds. Believe it or not, this is very positive for the potting soil, because the earthworms naturally loosen the soil. Who would believe that using coffee grounds in the garden would have so many benefits?
Just be very careful with seedlings because too much caffeine can kill them.