Extension: Fibonacci Sequence

You realize that you’ve had a serious problem with buying pumpkins this month. At first you had $0$, and then every time you’ve been to the store you’ve bought: $1, 1, 2, 3, 5, 8, 13\dots$ Assuming you followed Fibonacci’s sequence, in honor of Fibonacci Day (11/23), what number of pumpkins did you buy next?