Green Coffee Beans for Home Roasting

Your complete guide to buying, storing, and selecting green coffee beans. Learn where to source quality beans and how to keep them fresh for months.

What Are Green Coffee Beans?

Green coffee beans are raw, unroasted coffee seeds. They have a pale green color, a grassy smell, and a much longer shelf life than roasted coffee—up to 12 months when stored properly. This makes them perfect for home roasters who want fresh coffee on demand.

When you buy green beans, you're getting the same product that professional roasters start with. The difference is you control the roast level, bringing out the flavors you prefer—whether that's a bright, acidic light roast or a rich, chocolatey dark roast.

Key advantage: Green beans cost 50-60% less than roasted coffee. You pay $15-25/kg instead of $40-60/kg for specialty grade.

What to Look For When Buying

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Origin & Altitude

High-altitude beans (1,200m+) generally have more complex acidity and flavor. Ethiopian beans are known for fruity, floral notes. Colombian for balance. Brazilian for chocolate and nuttiness. Kenyan for bright, wine-like acidity.

Processing Method

Washed (wet) processing creates cleaner, brighter flavors. Natural (dry) processing adds fruity, fermented notes. Honey processing falls between. Each suits different roast styles and taste preferences.

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Crop Year

Look for current crop year beans (ideally within 6-12 months of harvest). Green coffee doesn't spoil but loses vibrancy over time. Fresh crop beans roast more evenly and cup better than old stock.

Grade & Defects

Specialty grade means fewer defects and better cup quality. Screen size (e.g., 17/18) indicates bean size consistency. Avoid beans with visible insect damage, mold, or discoloration.

Where to Buy Green Coffee Beans

These are the local sellers we track — importers and shops in each country that already brought the beans in. Each card opens our notes; you buy direct from the supplier. Always verify prices on the shop itself.Full supplier catalogue

Australia

Ariga Coffee

Indonesian specialty coffee, especially Gayo in Sumatra

Artisti Coffee

Home-roast greens by the kilo with rotating origins

Beanbay Coffeesnobs

Specialty green coffee for home roasters and commercial small-batch roasters, packed in 2.5kg lots.

Bennetts (H.A. Bennett & Sons)

Green coffee importer with one of Australia's largest green ranges, including 85+ scoring specialty coffees plus Fairtrade, Organic and Rainforest Alliance certified lines.

Coffeecommune

High-quality, traceable green beans sourced directly from producers worldwide via International Coffee Traders (ICT)

Coffeegreenbeans

Specialty Colombian green coffee (Forest Coffee), including community/microlots, reserve/competition, and innovation lots

Cofinet

4th generation Colombian coffee growers exporting specialty coffee

Conwaycoffee

Green coffee for home roasting

Green Bean Coffee

Australia's leading green coffee supplier to home roasters and cafe owners; freshly roasted and raw beans

Green Bean Roasters

Fresh green coffee for home roasters, hobbyists, and commercial roasters; roasting machines and equipment too

Jackmurat

100% Australian-grown, single-estate Arabica from Mareeba, traceable to the row

Opal Coffee

International specialty green coffee trader shipping across North America, Australia, and New Zealand

Quest Coffee

Certified organic coffee from an independent Australian-owned Gold Coast roastery

Sopranocoffee

Green and raw unroasted coffee beans for home roasters, plus contract roasting and private-label wholesale.

The Coffee Commune (Private Collection)

Phillip Di Bella Private Collection: curated blends at factory prices plus premium green beans

Witham's Coffee

Online green coffee beans (single-origin lots such as Sumatra Mandheling) from a Hornsby specialty roastery

💡 Pro Tip

Many local roasters will sell you green beans if you ask—they often have more than they can roast. This supports local business and gives you access to curated, high-quality beans. Just call and ask: "Do you sell green beans for home roasting?"

How to Store Green Coffee Beans

Green coffee is remarkably stable but still needs proper storage to maintain quality. The enemies are heat, moisture, and oxygen. Here's how to keep your beans fresh for months:

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Temperature

Store at room temperature (15-25°C). Avoid garages and attics that get hot.

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Humidity

Keep below 60% humidity. Use airtight containers in humid climates.

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Light

Store in opaque containers or dark cupboards away from direct light.

Best Storage Containers

  • • Food-grade buckets with gamma seal lids (bulk storage)
  • • Mason jars with tight seals (small quantities)
  • • Vacuum-sealed bags (long-term storage)
  • • Original jute/burlap bags (if dry climate, short-term)

Track Your Green Bean Inventory

Use our free roasting dashboard to manage your green coffee stock, track rest dates, and never run out of beans again.

Open Roasting Dashboard

Free inventory tracking • Roast logging • Bean cellar management

Frequently Asked Questions

Properly stored green coffee beans can last 12+ months without significant quality loss. Some roasters even age certain beans intentionally. However, for best results, aim to roast within 6-9 months of harvest. The beans won't spoil but may lose some brightness and complexity over time.
Most suppliers have a 1kg minimum, though some offer 500g sample packs. For home roasting, 1-2kg is a good starting amount—it gives you enough to practice and dial in your roast without committing to a large quantity. Once you know you like a bean, 5kg bags often offer the best value.
Freezing green beans is generally unnecessary and can cause condensation issues when thawing. Room temperature storage in an airtight container is ideal. If you live in a very humid climate, a cool, dry pantry is better than refrigeration, which introduces moisture risks.

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