Skip to content

Cart

Your cart is empty

Continue shopping
Hvad er Robusta? Bønnen bag styrken i din kaffe
Written by Rasmus Kvistgaard JensenUpdated / Coffee variety / 5 minutes

What is Robusta? The bean behind the strength in your coffee

Have you seen the word "Robusta" on a bag of coffee and wondered if it's good or bad? You're not alone. Robusta is the second most common coffee bean in the world, stronger, more bitter, and with more caffeine than Arabica. But the story is more nuanced than "cheap filler," and we'll take a look at it here.

In short, Robusta (Coffea canephora) is a coffee species that yields a strong, bitter, and full-bodied cup with high caffeine content. It is easier and cheaper to cultivate than Arabica and accounts for approximately 30–40% of the world's coffee production. Robusta is often used in espresso blends to provide extra crema and body.

What are the characteristics of Robusta coffee?

Robusta comes from the plant Coffea canephora, which thrives at lower altitudes and in warmer climates than Arabica. The plant is hardy, resistant to diseases and pests, and yields a high output, hence the name "robust."

What you experience in the cup is a coffee with:

  • Strong, direct potency and marked bitterness

  • Heavy, full body

  • High caffeine content

  • A tendency towards earthy, nutty, and sometimes rubbery notes

While Arabica is about nuances, Robusta is about power. This makes it a deliberate tool in many coffee blends, not just a cheaper substitute.

Robusta vs. Arabica, the main differences

If you ask "what is Robusta?", it almost always makes the most sense to compare it with Arabica. Here are the differences people most often ask about:

Robusta
Plant: Coffea canephora
Taste: Strong, bitter and earthy
Caffeine: Higher
Body: Heavy and full-bodied
Cultivation: Low altitudes and hardy
Price: Typically lower
Typical use: Espresso blends, crema, instant

Arabica
Plant: Coffea arabica
Taste: Complex, aromatic and sweeter
Caffeine: Lower
Body: More rounded and nuanced
Cultivation: High altitudes, more demanding
Price: Typically higher
Typical use: Specialty coffee, filter, single origin

Does Robusta have more caffeine than Arabica?

Yes. Robusta contains significantly more caffeine than Arabica. This is one of the reasons for the stronger bitterness and why Robusta is often used when you want an extra "kick" in your espresso.

Is Robusta inferior to Arabica?

No, not in itself. Robusta has gotten a bad reputation because low-quality Robusta was used as cheap filler for years. But well-grown and well-roasted Robusta can add structure, crema, and bite, especially in espresso. The quality depends on cultivation, processing, and roasting, not just the species.

What does Robusta taste like?

Robusta typically tastes stronger and more bitter than Arabica, with notes often described as earthy, nutty, woody, or chocolatey. Pure, poorly processed Robusta can taste rubbery or "burnt," while high-quality Robusta can be surprisingly clean with a pleasant, dark sweetness.

Because its flavor profile is less nuanced than Arabica, Robusta rarely shines as a single origin in filter coffee, but it can make an espresso more intense and full-bodied.

When does Robusta make sense?

Robusta is not our main focus, but it's worth knowing when it actually elevates a cup:

  • Espresso with extra crema: A small proportion of Robusta provides thicker, more stable crema.
  • Strong blends: Robusta adds bite and body, especially to milk-based drinks, where the coffee needs to be noticeable through the milk.
  • High caffeine need: If you want the most caffeine, Robusta delivers.

However, if flavor nuances are the focus, such as floral, fruity, or sweet tones, Arabica is the obvious choice. If you want to delve deeper into this, you can read our article on what Arabica beans are.

How we view Robusta at Copenhagen Coffee Lab

At Copenhagen Coffee Lab, we roast all our beans in our own roastery in Copenhagen and always ship coffee that has been roasted within the last 10 days. Our focus is specialty coffee, where taste, origin, and freshness come first, and therefore we primarily work with carefully selected Arabica.

This doesn't mean that Robusta is "wrong." It means that we choose the beans that provide the cleanest and most interesting cup for our way of roasting and brewing.

Do you want to taste the difference yourself? Explore our espresso beansand filter coffee, or see the entire selection of freshly roasted beans.

FAQ

Why is it called Robusta?

The name refers to the plant Coffea canephora, which is robust and hardy: resistant to diseases, pests, and heat, and with a high yield.

Is Robusta cheaper than Arabica?

Yes, typically. Robusta is easier and cheaper to grow, making it more economical and explaining why it is often used in instant coffee and mass-produced blends.

Can Robusta be used for filter coffee?

It can, but it rarely shines here. Robusta's strong, less nuanced profile is better suited for espresso and blends than for the clear, aromatic filter coffee many specialty coffee lovers seek.