The Siip Blog
Guides to coffee, stories from where it grows, and news from Siip.

How Long Do Coffee Beans Last?
Coffee is at its best from about two to three weeks after roasting and stays good for around four months in a sealed bag. Once opened, it fades over a few weeks. How to store it, and what the dates on the bag mean.
Siip Coffee 101
New to coffee? Start with the basics.
Latest

Do You Get Pickier About Coffee Over Time?
People love 4 in 10 of the first coffees they rate. Ten coffees later it is 3 in 10, and the share they do not enjoy has doubled. Why that is good news.

The Coffee Belt: Where Coffee Grows, and Why
Nearly all of the world's coffee grows in one band around the equator. Turn the globe to see the countries inside it and what their coffee tastes like.

What We're Learning From Your Scans
Every coffee you scan in Siip adds to a picture of what people are drinking. The roasts, origins, farms, processes and flavors that stood out in early 2025.

Why Siip Subscribers Rate Each Box Higher
62% of first-box coffees are rated liked or loved. By the fourth box it is 86%. Here is how Siip's coffee subscription learns your taste, and what subscribers say about it.

Indonesian Coffee: Sumatra, Wet Hulling and What's New
Indonesian coffee, from the wet-hulled Sumatras it is known for to the new experimental lots, through the eyes of coffee importer Evan Gilman.

Making Better Choices for More Sustainable Coffee
Throughout years working across the coffee value chain, people have asked us: what is the most sustainably grown coffee? It is an important question, but also a complicated one.

Why We Built Siip
Two reasons we started Siip: to make great coffee easier to understand, and to give the people who grow it the recognition they deserve.

The Complete Guide to Coffee Brewing Methods: Finding Your Perfect Cup
Pour-over, French press, moka pot, AeroPress: what each brewing method does to your coffee, and how to pick the one that suits you.

Coffee Processing Methods, Explained
Washed, natural, honey, anaerobic: what the processing words on a coffee bag mean, and how each one changes the taste in your cup.