Bostaniada takes place on the last Sunday in September.
Bostaniada celebrates the pumpkin harvest.
The RHS London Harvest Festival Show is held in July.
Both festivals have a giant pumpkin competition.
Only the Bostaniada festival offers workshops by local artisans.
The RHS London Harvest Festival Show includes blooming plants.
The Giant Pumpkin and Autumn Fruit and Vegetable Competition is popular at the RHS festival.
The Bostaniada festival celebrates the winter season.
Bostaniada and the RHS London Harvest Festival Show take place in the same month.
