QUESTION: this is Edgawater, Saskatchewan's crop calendar.... shouldn't be another period to harvest wheat since there're two periods to seed it?

Otherwise, if i seed wheat in September, it would take a little more than double of time to grow than when you seed it on April or March....is this an error?

Otherwise, if i seed wheat in September, it would take a little more than double of time to grow than when you seed it on April or March....is this an error?