The Brew Blog

SL28 and SL34 are the varietals that define Kenyan coffee — blackcurrant acidity, wine-like body, intense complexity. Here's the full story behind both.

F1 hybrid coffee varietals — Centroamericano, Starmaya, Milenio — combine yield, disease resistance, and cup quality through modern breeding. Here's why they matter.

Castillo is Colombia's disease-resistant varietal that reshaped the country's coffee production. The cup quality controversy explained — honestly.

Arabica vs Robusta is the first varietal distinction that matters in coffee. Here's what actually separates them — genetics, growing, flavor, and why specialty is Arabica.

Geisha is the coffee varietal that broke cupping records and set new ceilings for specialty coffee prices. Here's the full story of jasmine, bergamot, and Panama.

Sidra is the mysterious Ecuadorian varietal whose genetic origin is debated but whose competition results aren't. Vivid tropical fruit, wine-like complexity, distinctive cup.