Robusta Coffee BP 309 from Temanggung, Central Java

Grown on the fertile volcanic slopes of Mount Sumbing and Mount Sindoro, Temanggung’s Robusta BP 309 variety delivers a bold and distinctive cup profile.

Originally developed by the Indonesian Coffee & Cocoa Research Institute (ICCRI), BP 309 is known for its deep body, chocolate-like notes, and balanced sweetness. Our smallholder partners cultivate this variety with care, combining traditional practices and selective post-harvest handling to achieve consistent export quality.

Each lot is documented and traceable through farmer group records and local cooperative networks — building transparency and trust from origin to export.

Sustainable sourcing • Trusted origin • Traceable documentation

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Robusta Coffee BP 309 from Temanggung, Central Java – Indonesian Origin
Robusta BP 309 – a variety developed by ICCRI and cultivated in Temanggung’s volcanic highlands.

The Origin of Temanggung Robusta Coffee

Fertile Volcanic Highlands of Central Java, Indonesia

On the volcanic foothills of Temanggung, Central Java, Robusta BP 309 thrives between 800 and 1000 masl. The mineral-rich soil and balanced tropical climate create an ideal terroir for beans with bold body, chocolaty depth, and natural sweetness — a signature cup appreciated by many roasters for its balance and character.

Temanggung’s resilient highlands tell a story of endurance and heritage. Coffee trees here grow on ancient volcanic soils, nourished by warm days and cool nights that develop steady, sweet flavor complexity. The terroir produces a rich-bodied Robusta with nutty undertones and clean finish.

Local farmers preserve traditional methods — selective hand-picking, sun-drying, and natural fermentation — ensuring that every bean reflects the authenticity of its origin and the character of its land.

Through Wira Sarwa Asurya, we aim to strengthen partnerships with farmer groups and regional cooperatives to enhance quality consistency, traceability, and sustainability of Temanggung Robusta for global markets.

Map of Temanggung Robusta Coffee Origin – Central Java, Indonesia
Temanggung, Central Java — volcanic foothills nurturing Robusta BP 309.
Altitude

800–1000 masl

Variety

Robusta BP 309

Climate

Tropical Low Highland

Harvest Season

July – September

Smallholder farmer harvesting Robusta BP 309 coffee cherries in Temanggung Cooperative group of Robusta farmers in Temanggung, Central Java

Empowering Temanggung’s Robusta Coffee Farmers

Tradition, Resilience, and Sustainable Growth

In Temanggung, Central Java, many smallholder families cultivate Robusta BP 309 across plots averaging 0.5–2 hectares. Their dedication sustains both the land and the legacy of Indonesian Robusta coffee.

Through hand-picking, natural sun-drying, and local fermentation techniques, farmers produce beans that capture the essence of their region — resilient, balanced, and naturally sweet.

Wira Sarwa Asurya is building partnerships with local farmer groups to promote quality consistency, fair recognition, and traceable sourcing. Our long-term mission is to connect these farming communities with roasters and importers who value authentic and sustainable origins.

Explore other origins from Lampung and Gayo to discover Indonesia’s diverse coffee landscapes.

Processing & Quality Care of Temanggung Robusta Coffee

From Cherry to Export-Ready Green Beans

Every batch of Robusta BP 309 from Temanggung is processed using traditional yet reliable post-harvest techniques such as wet-hulling and natural sun-drying. From selective handpicking to grading and cupping, local farmers and processors work together to maintain the bean’s bold body, chocolaty depth, and low acidity. Each lot is carefully prepared to meet export quality expectations, with traceability information coordinated through local farmer groups.

Harvesting Robusta Coffee Cherries in Temanggung

1. Harvesting

Manual hand-picking of ripe red cherries, ensuring only the best fruit enters processing.

Manual Sorting of Robusta Coffee Cherries in Temanggung

2. Sorting & Selection

Defect removal and selective grading both on-farm and at the post-harvest station.

Sun Drying Robusta Coffee Beans on Raised Beds in Temanggung

3. Drying

Slow sun-drying on clean raised beds or tarpaulins, turned regularly for uniform moisture.

Storage and Milling Process for Robusta Coffee in Temanggung

4. Storage & Milling

Hulled and graded beans stored in clean, well-ventilated warehouses to preserve quality.

Robusta Coffee Quality Control and Cupping at Wira Sarwa Asurya

5. Quality Control & Cupping

Moisture testing, visual grading, and cupping are conducted to ensure consistent export quality.

Each Temanggung Robusta Coffee lot undergoes cupping and quality verification prior to export readiness. Request our latest specification sheet →

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A look into the sensory journey and processing care of Temanggung Robusta BP 309.

Flavor & Cupping Profile of Temanggung Robusta

Strength, Sweetness, and Depth in Every Cup

Grown on volcanic soils at 800–1000 masl, Temanggung Robusta BP 309 is appreciated for its bold body, chocolaty depth, and long, sweet aftertaste. This variety has been widely recognized by Indonesian researchers and coffee professionals for its clean cup and consistent balance in both espresso and blend applications.

Key Sensory Notes

Dark chocolate & cocoa – form the backbone of its flavor profile.

Nutty undertones such as peanut or almond add warmth and balance.

Light herbal & spicy hints – clove, pepper, and earthy depth unique to Temanggung terroir.

Through natural sun-dried and wet-hulled processing, this Robusta develops a dense, creamy mouthfeel with low bitterness. It’s a perfect base for espresso blends or single-origin robusta programs looking for a clean, full-bodied cup.

*Flavor profile based on field cupping and producer experience in Temanggung region.
Typical specs: Moisture 12% ±0.5 | Defect Rate: <5% | Screen Size: 15+

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Sustainability & Traceability of Temanggung Robusta

Ethical Sourcing • Local Empowerment • Verified Origin

Each shipment of Temanggung Robusta Coffee represents more than quality beans — it reflects a responsible and transparent sourcing approach that values fairness, community partnership, and authentic origin.

Fair Partnership: We collaborate with smallholder farmers across Temanggung, Central Java, ensuring fair pricing, timely payments, and ongoing capacity building. This model supports rural livelihoods and strengthens farmer cooperatives.

Eco-friendly Practices: Most producers use natural sun-drying and low-input cultivation methods, reducing energy use and maintaining a clean, consistent cup quality.

Traceability & Origin: Temanggung Robusta is recognized as part of the region’s Geographical Indication (GI) area, known for its BP 309 variety. For buyers requiring official documentation, Wira Sarwa Asurya can coordinate verification with the local MPIG Temanggung to confirm authentic origin.

Shared Value & Impact: By connecting farmer groups with international roasters, Wira Sarwa Asurya ensures that value creation is shared fairly across the supply chain — from the volcanic highlands of Temanggung to coffee cups around the world.

Request Traceability Information →

Local Farmer Network

Collaborating with smallholders cultivating Robusta across Temanggung.

Recognized Origin

Located within the GI-protected Temanggung Robusta region (BP 309 variety).

Sun-Dried Processing

Natural drying methods that minimize water and energy use.

Technical Snapshot

Key details for roasters and green coffee buyers.

Temanggung Robusta Coffee (BP 309) is cultivated in Central Java’s highlands, known for its volcanic soil and consistent microclimate. Each lot is carefully prepared through selective handpicking, natural drying, and wet-hulling — maintaining the bean’s bold character and clean cup quality.

  • Origin: Temanggung, Central Java, Indonesia
  • Altitude: 800–1,000 masl
  • Varietal: Robusta (BP 309)
  • Processing: Wet-hulled, Natural Sun-dried
  • Harvest Period: July – September
  • Screen Size: 15+
  • Moisture Content: 12% ±0.5

Proudly Connecting Temanggung’s Robusta Coffee with Roasters Worldwide

Get in touch to explore current harvest lots, available specifications, and sample options.

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