Colombian coffee covers many growing environments rather than one national flavour. CoffeeBox introduces Huila, Nariño and Antioquia as useful regional reference points within a landscape shaped by the Andes. A regional name narrows the context, but the producer, altitude, variety and processing information describe the actual lot more precisely. Harvest timing also varies by location, so one calendar does not describe the entire country.
The source associates its Colombian examples with caramel, apple and citrus impressions and gives washed coffees particular attention. Treat that as a flavour direction to explore, not a guarantee printed by geography. Naturally processed and honey-processed lots broaden the range further, and roasting changes how any of those coffees presents in the cup. A specific roaster's tasting description is more useful than assuming every Colombian bag will be equally mild or balanced.
For a repeatable filter-coffee trial, the article suggests a ratio around 1:15 to 1:16 and water around 90–93°C. These are starting parameters, not a national requirement. Record the dose, water and grinder setting, then compare your result. Judge a milk-drink or espresso preparation through its own recipe rather than ruling it in or out solely by origin.

The conversation
A good question can make a better brew.