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Growing Coffee in a Greenhouse: What You Need to Know!

maturing coffee trees in a greenhouse

If you have a green thumb, it’s natural to try new things. New flowers, trees, and shrubs can make things around your property look nicer and of course, feel more like home. For those who work in greenhouses, you have true dedication. Greenhouses are a great way of tending to your plants, even during colder times of the year, without so many worries of uncontrollable issues like weather and pests. One plant that many people are curious about when it comes to life in a greenhouse is the coffee plant. Will coffee plants grow in a greenhouse? Yes. Is it difficult? It can be.

Let’s take a look at a few things you should know before you start an endeavor like adding coffee plants to your greenhouse. We’ll show you the steps and important info so you can decide whether these plants will fit into the world you’ve created.

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Which Coffee Plants Are Right for You?

Before you do any planting, prepare the soil, or brag to your friends that you’re growing coffee in your greenhouse, you need to decide which variety of coffee plants you want to attempt. While there are 124 species of the coffee plant in the world, 2 are the most popular, Arabica and Robusta. When it comes to at-home growing, it seems that more people prefer Arabica. No matter which variety you choose, however, you can easily adjust the environment of your greenhouse to fit the plant’s needs.

arabica sprouts
Image Credit: Viktoria UA, Shutterstock

The Right Conditions

Coffee Plants need things to be just right for them to grow and be successful. Let’s take a look at these requirements so you can have things ready before you purchase your beans.

The Environment

Coffee plants naturally grow in wet environments with lots of humidity. If these needs are not met, your plants may not produce. Temperatures should fall between 60 and 70 degrees Fahrenheit with the humidity high. Cloud-like, misty conditions may be best. Airflow should also be moderate to help keep the plants cool and somewhat dry.

When it comes to light, it should be adequate but diffused. Direct sunlight is not good for a coffee plant. If you have other trees, like fruit trees in your greenhouse, it is possible to mimic natural growing conditions for coffee plants by using the larger trees as a canopy for them. You should also mimic rainfall conditions the plants would experience in nature. They’ll need at least 6” of water per month. Keep in mind, however, that you’ll need drier conditions when it comes to harvesting and ripening.

The Soil

If you want a good yield from your plants, the soil needs the right nutrients. The soil should be loamy and well-drained. If you choose, you can add some peat moss, cow manure, or even bone meal to better the soil. Coffee plants prefer a balanced or neutral pH. Test your soil before doing any transplanting to ensure you’re at the right pH level, preferably pH 7.

coffee plant sprouts on fertile soil
Image Credit: WIROJE PATHI, Shutterstock

Preparing Your Seeds

You can get coffee seeds from a local roaster or online. Once you have the seeds in hand, they should be soaked for 24 hours before they are placed in the prepared soil. It is best to use moist vermiculite in damn burlap sacs or coffee sacs. Germination of the seeds can take anywhere from 2 to 6 months depending on how fresh your seeds were. When the seeds show growth of 24-36 inches they can be transferred to a pot at 1 ½ inch deep.

Continued Care

As we’ve already mentioned, coffee plants require a lot of water. If possible, use rainwater while your plant grows. They also do well with weekly nitrogen boosts. This can be done in their water using a solution of fish emulsion if you prefer. The plants will flower without additional fertilizer but keep in mind that coffee plants are heavy feeders. If you choose, they can be fertilized once a month. Organic options like worm castings are ideal for this.

You should also be prepared to drain soggy soil. This will avoid the growth of mold around your plants. Like with other plants, you’ll need to keep any diseased or dead material clipped away from your plant for maximum growth potential.

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In Conclusion

As you can see, raising coffee plants in a greenhouse can be done, with a lot of work and under the right conditions. If you are hoping to have success at bringing a few of your own beans to your coffee cup, following these guidelines can help you on your way. Remember, it takes 2 to 4 years for a coffee tree to reach maturity and they produce for upwards of 15 to 25 years.  If you introduce them into your greenhouse, they are there for the long haul. Take good care of them and they’ll give you taste in your morning cup.


Featured Image Credit: Wirestock Creators, Shutterstock

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Melissa Gunter

Melissa has been a fan of coffee since the first sip she stole from her Granny's cup when she was just a girl. Now, she spends each morning writing with a hot cup of coffee at her side. With a love of sweet and creamy bliss, Melissa and her daughter, Amber, stop by and try out every local coffee shop they see. Neither are afraid to try something new and have a long list of favorite coffee beverages they simply can't do without. When she's not freelance writing about her 2 passions, coffee, and pets, Melissa spends her time with her husband, 2 kids, and 5 fur babies. She also loves diving into the fiction world under her pen name, Rena Marin. If she isn't at the laptop or with the family, Melissa is out enjoying the mountains of East Tennessee she calls home.

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