The Medellin flower festival, or Feria de las Flores, is in early August. There's processions, flower shows, horseriding through the streets and much more. It's all very colourful, and is Medellin's top tourism attraction.
If you visit Colombia in August - make sure you check out the Medellin flower festival!
Flower festival in Medellin, which is held annually in August (Feria de las Flores).