Indonesia Putra Gayo Mill

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Varieties: Ateng, Bor Bor, Catimor, and Timor
Process: washed

Flavour: blackberry, violet, toffee

Body: Acidity:

Roast: Omni (filter + espresso)

Producer: Iwannitosa Putra

Farm / Cooperative: Putra Gayo Mill

Region: Aceh Tengeh & Bener Meriah, Aceh, Indonesia

Altitude: 1400-1650m above sea level

Iwannitosa Putra is the owner of Putra Gayo, a mill and farm located in two subregions of Aceh, Sumatra. The farm spans 250 hectares and features approximately 275,000 Gayo coffee trees, including varieties 1, 2, and 3. In addition to coffee, the farm is home to numerous shade trees, such as Lamtoro, banana, orange, avocado, and jackfruit trees. Iwannitosa specializes in both washed and natural coffees, diverging from the common Sumatra wet-hulled method. Washed coffees are fermented for 10 to 12 hours and dried for about 10 days, while natural process coffees undergo dry fermentation for 10 to 12 hours and are then dried for 30 days.

Washed process coffee

Explanation here.

Ateng variety

Ateng is a commonly used name that describes Catimor varieties planted on Sumatra and other Indonesian islands.

Bor Bor variety

A name sometimes used in Indonesia to commonly refer to the Timor Hybrid varietal.

Catimor variety

A hybrid variety of the Caturra and the Timor Hybrid (resistant to coffee leaf rust due to its Robusta genetic roots).

Timor variety

Also sometimes called ‘Timor Hybrid(s)’.

According to World Coffee Research, “Timor Hybrid is a natural cross between C. arabica and C. canephora (Robusta) that appeared spontaneously on the island of Timor in 1920s. Its Robusta genetics conferred rust resistance into the variety.”

100% Ateng, Bor Bor, Catimor, and Timor coffee beans, provided by Cafe Imports and roasted by us on Gadigal land / Sydney.

Country grade: Unknown ?

Bag: ABA Certified home compostable
Label: Recyclable
Valve (on bags larger than 250g): General waste
Coffee ordered online is shipped in a recyclable cardboard box

Brewing this coffee

We recommend brewing this coffee 15–49 days post-roast. If pre-ground, brew as soon as possible. Our advice on storing coffee.

1:3
dose:yield
ratio

To brew on espresso, we recommend using 20g of beans (dose) to get 60g of espresso out (yield), during 24-28 seconds.

g dose

g yield

View the how to brew espresso (single origin) guide.

1:16.7
beans:water
ratio

To brew in infusion/fed brewers (V60, Chemex) use a ratio of 1:16.7 ratio of beans:water.

g beans

g water

View full recipes and videos in our brewguides

1:14.3
beans:water
ratio

To brew in immersion brewers (plunger, AeroPress, Kalita, batch brewer) we recommend using a 1:14.3 ratio of beans:water

g beans

g water

View full recipes and videos in our brewguides

1:12
beans:water
ratio

To brew as cold brew we recommend using a 1:12 ratio of beans:water

g beans

g water

View full recipes and videos in our brewguides

Country

Indonesia

Region

Aceh Tengeh & Bener Meriah, Aceh

Altitude

1400-1650m above sea level

Producer

Iwannitosa Putra

Farm/Coop

Putra Gayo Mill

Varietals

Ateng, Bor Bor, Catimor, and Timor

Process

washed

Harvested

May 2024

Roast style

Omni (filter + espresso)

FAQs

Do you ship Australia-wide?

Yes! We deliver freshly roasted coffee beans anywhere in Australia, with fast dispatch and eco-friendly packaging.

Do you ship internationally?

We ship beans to select international countries.

Can I buy pre-ground coffee?

Yes. You’ll see our pre-ground options during checkout.

We offer pre-ground options for different methods:
- Ground for domestic espresso (home espresso machine)
- Ground for stovetop (Bialetti)
- Ground for AeroPress / Kalita / Cold Brew / Moccamaster / Plunger / French Press (immersion style)
- Ground for V60/Chemex (pour over style)

How is your coffee ethically sourced?

We source our coffee from small producers through responsible importing companies. 95% of our green coffee beans are supplied by Caravela Coffee, Cafe Imports, and Melbourne Coffee Merchants (certified B Corporations) plus Condesa Co Lab and more.

We transparently share all the information about each coffee lot (territory of origin, producer, variety, processing method, importer, quality grade) on each coffee page. This includes blend components for our espresso blends.

We take quality sourcing very seriously, so being fully transparent about our coffee is a way to honour everyone’s efforts along the production and gain the trust of ethical-minded consumers.

Learn more about our coffee and business philosophy.

Do you roast dark or light?

We roast our single origins using omni medium/light profiles. (This means you can use it for pour over and espresso brewing, no need to buy different bean bags with specific roast styles.)

We roast our espresso blends using darker profiles.

What is “specialty coffee”?

The definitions and references to specialty coffee are changing.

Historically, and as most people think of it these days, specialty coffee is Arabica beans that score over 80 in the old Specialty Coffee Association point scale. Today, the SCA refers to specialty coffee as “a coffee or coffee experience that is recognized for its distinctive attributes, resulting in a higher value within the marketplace.”

Can I subscribe?

Absolutely. Our coffee subscription lets you get your favourite beans (for filter and espresso, black or milk drinks) delivered regularly for free and with no lock-in periods.

With love, from Sample

We’re an independent coffee roasting company based in Gadigal land / Sydney, Australia

We’ve been sharing exceptional coffees since 2011, with a particular focus on rotating single origins, ethical sourcing, and homebrewing accessibility.

Our daily work is driven by quality, consistency, transparency, and fun. This approach has slowly and organically connected us with a community of homebrewers and professionals who value how we do business and, above all, love delicious coffee beyond the hype.

Learn about us