The two main species of coffee tree have different botanical features and qualities. These dictate where they will naturally thrive and offer a sustainable crop. 

Arabica

• Tree height: 3-4 meters
• Root system: Deep (Farmers should allow 1.5m between each tree, so that roots can spread comfortably.)
• Ideal temperature: 15-25°C
• Altitude: 900 - 2000 meters above sea level
• Flowering period: After rainfall
• From flower to cherry time: 9 months
• Caffeine content of beans: 0.8-1.4%

Robusta

• Tree height: 10-12 meters
  
• Root system: Shallow (Farmers should allow 2m between each tree)
• Ideal temperature: 20-30°C
• Altitude: 0 - 900 meters above sea level
• Flowering period: Irregular
• From flower to cherry time: 10-11 months
• Caffeine content of beans: 1.7-4%