Coffee Plants

Botanically classified as an evergreen shrub, the coffee plant is commonly called a tree or a bush, and is in the family Rubiaceae. Coffee plants are native to subtropical Africa and also southern Asia.

Coffee plants begin producing a full crop when they are about five years old and then continue to produce for the next fifteen to twenty years. One coffee plant may produce an average of about one pound of coffee beans each year.

Coffee Plants – A Botanical Description

Coffee trees (technically they are bushes) have glossy, dark green, ovate leaves (which last three to five years) and small, fragrant white flowers that bloom simultaneously in clusters – they bloom for just a few days over several months. In the Kona region these flowers are known as Kona Snow.

When is the Coffee Fruit Ripe?

The fruit of the coffee tree is known as the coffee cherry, and measures about 6/10-inch (1.5 cm) long, beginning as a green, unripe berry that gradually ripens to yellow, then taking on an orange/crimson color before turning dark cherry-red/reddish-black, at which time it is ready to be harvested for the prized coffee beans.

The whole ripening process of the coffee cherry takes about eight months. The ripeness of a coffee cherry is determined largely by color, but a more precise method involves gently squeezing a fruit to see if the seed (coffee bean) will easily fall out. Typically this happens just before the fruit is completely red (monochromatic).

Some coffee varieties have cherry (fruits) that turn yellow rather than red when they are ripe.

Processing the Coffee Fruit

The center of the coffee cherry (fruit) is referred to as the bean or seed. After the cherry is harvested, the coffee bean is processed by either wet processing – the washed method, which includes pulping, milling, fermentation, and drying), or by dry processing (the natural method) which involves drying the coffee with the fruit still on the coffee beans.

Wet Processing of Coffee Cherry

Wet processing is a method of getting the parchment off by first removing the pulp from the coffee bean in the process called pulping, or de-pulping. Then the mucilage is removed through fermentation and finally the beans are dried, either in the sunlight or using forced-air drying.

Dry Processing of Coffee Cherry

Dry processing involves drying the coffee cherry (fruit) in the sun for a period of time and then raking and turning the coffee cherry repeatedly until it is generally free of any dried fruit.

Each method of coffee processing has its own taste and aroma implications, but in both cases the end result is green coffee beans with a moisture content of about 10.5%.

Green Coffee Beans

After processing, and before the coffee beans are roasted they are known as green coffee beans, though the color is typically more of a bluish-green.

Peaberry Coffee Beans

Most coffee cherry (93-99%) encase two half-beans. When there is just one whole bean in the cherry it is known as peaberry.

Valued for their robust flavor, peaberry are the rarest type of coffee beans and have a higher density than non-peaberry coffee beans. Coffee brewed from peaberry is known to have a smooth consistency and rich aroma.

Coffee Plant Varietals

The three main coffee plant varietals utilized to produce commercial coffee supplies are Arabica (Coffea arabica), Robusta (Coffea canephora var. robusta), and Liberica (Coffea liberica).

Virtually all of the world’s gourmet coffees/premium gourmet coffees are produced from coffee beans from coffee plants that are varietals of Coffea arabica.

Espresso Coffee Guide – The Top Coffee Source

More great coffee information can be found in All About Coffee which covers all aspects of coffee from soil to sip.

This includes coffee plants and coffee cherry, and full descriptions of all of the world’s top gourmet coffee beans including Organic Coffee, Fair Trade Coffee, Bird Friendly Coffee and Shade-Grown Coffee.

Coffee Makers and Espresso Machines

Also included are full details about Coffee Makers (Automatic Drip Coffee Makers, Single Serve Coffee Makers, Pod Coffee Makers, Coffee Pods, Coffee K-Cups, T-Discs, and French Press, (also see Best Coffee Makers), and Espresso Machines (including Pod Espresso Machines) as well as Instant Coffee and Decaffeinated Coffee.

Coffee From Soil to Sip

You can also learn about coffee harvesting and processing, coffee grading and roasting, coffee grinding and packaging, coffee storing, brewing, and all about the coffee beverage itself including Espresso.

Gourmet Coffee Lovers

Learn how to discern all of the fine nuances of coffee flavors and qualities including body, aroma, acidity, bitterness, sweetness, and finish or aftertaste). Also provided is a full description of coffee cupping (professional coffee tasting), and as a bonus you get a compendium of coffee quotes and even a coffee quiz.

Thank You! for visiting Espresso Coffee Guide

{ 10 comments… read them below or add one }

Kendall November 4, 2011 at 3:19 pm

who is the authour?

Barie Reid February 16, 2012 at 12:11 pm

What coffee variety would you recommend for West Mali? It is my intention to become a small scale farmer of fruit, veg and coffee; primarily for our own consumption, but will eventually expand as time passes.

Thank you

Barrie Reid.

gerzel July 19, 2012 at 9:52 pm

Hello dear sir,
im luking for green Robusta coffe beans .
for i big quantity. for Georgian market.
good price the best prise.

thanks in ad vans


arnel malones October 14, 2012 at 4:17 am

do you have a procedure on seedling preparation?and appropriate temperature requirements each varieties?

terris December 8, 2012 at 9:40 pm

Thank you for this informative article about growing coffee plants. Is it practical to invest in coffee growing in Argao, Cebu? Where can i find information on this. I am a foreigner who is willing to invest here in this area of the Philippines, but only if I can get comprehensive information and advise. I would be most grateful for answers to these questions.

sadat ykubu December 24, 2012 at 9:09 am

i need contacts of where to bye coffee in ghana….

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