The answer to this is “YES”. Coffee grounds serve as effective fertilizers for petunias and are also inexpensive. With coffee grounds, petunias which are known to be heavy feeders bloom profusely.
Adding coffee grounds to your petunias will give your petunias healthy growth and a beautiful bloom so cultivate the habit of using coffee grounds on your petunias. The fact that petunias love coffee grounds already makes them lovers of acidic soil and will grow best in soil with low pH.
Addition of the grounds can also help lower the pH of the soil to make it more suitable for their growth and development. You can add the grounds to the base of your petunias directly or through other means. Some facts about petunias are explained below:
1) Do Petunias Like Full Sun?
Yes, they do. It is most times, best to purchase transplants and plant them in light, well-drained soil in full sun. This falls after the last spring frost. This does not mean that they can’t grow in partial shade. Of course, they will. However, they will most likely, have fewer flowers so it’s best to plant them in full sun.
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2) How Often Should Petunias Be Watered?
Ensure to always water your petunias frequently while also avoiding over-watering. For your petunias to have a healthy growth and bloom, dedicated watering is required but do so moderately. Petunias are known to emit a gooey material through the tissues of their stems.
This gooey material which happens to be sticky finds its way to their soft foliage. This gooey material is believed to be protecting the petunias against insect nuisances such as aphids and thrips.
3) What Kind of Soil Do Petunias Need?
It is important to take note of the fact that petunias love fertile soil and will grow best in it. A fertile soil with at least 25% organic matter such as well- rotted compost, less moss, or aged manure is ideal for petunias. Also, ensure that the soil is of light weight. Also ensure that the soil is not too dense as this can make the petunia roots remain wet they can begin to rot away. All in all, do always ensure that the soil is well drained.
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4) How Much Heat Can Petunias Tolerate?
Petunias are known to grow in regions where up to 210 days out of the 365 days in a year are more than 86°F. However, take note that temperature ranges and most petunias can end up freezing to death at about 30°F.
5) What Is The Best Fertilizer For Petunias?
Petunias do prefer a balanced fertilizer. You can begin using a liquid fertilizer probably every 2 – 3 weeks in early to mid-July. Container-grown plants do respond well to a time-release fertilizer while spreading petunias may require weekly fertilizer. However, do not forget the fact that petunias love coffee grounds and coffee grounds can also be applied to the petunias as fertilizers.
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I hope you find this article helpful. I would like to hear from you. So, let me know if you have any questions.