Coffee Varieties Grown in North Sumatra
Arabica and Robusta are species names. Within them are varieties that affect flavour, yield, and plant resilience.
When buying coffee, most people stop at two words: Arabica or Robusta. On the farm, however, growers choose between different varieties, and that choice shapes the coffee you receive.
Arabica and Robusta
- Arabica thrives at high altitude, has a more complex flavour with clear acidity, and contains less caffeine.
- Robusta is more resistant to disease and heat, yields more, tastes bitter and heavy, and contains more caffeine. It is widely used in espresso blends and instant coffee.
Common Arabica varieties in Sumatra
Typica. One of the oldest varieties. Clean and sweet, but low-yielding and vulnerable to leaf rust, so it is now rarely planted at scale.
Tim Tim (Timor Hybrid). A natural cross between Arabica and Robusta. Resistant to leaf rust and the parent of many modern varieties.
Ateng (Catimor). A compact tree that is easy to harvest, high-yielding, and disease-resistant. It is common on smallholder farms in North Sumatra.
S-795. Developed in India and popular in Indonesia for its disease resistance and balanced flavour.
On a single smallholder farm, growers often plant several varieties together. The result is coffee with a blended character, which is part of what defines Sumatran coffee.
What it means for buyers
If you need a very specific flavour profile, ask for variety information and samples before ordering in volume. For volume buyers, consistent grade and processing usually matter more than a single variety.
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