One option for groups is to meet up as a group during "open farm"' (Our farm is open to the public Friday afternoons, Saturdays and Sundays in October - until the pumpkins sell out). Your group would share the farm with others visiting at that time, and you could explore the farm and pumpkin patches at the leisure of each family's pace/interests (paying for pumpkins/activities as you go). There is no fee for admission to our farm, and parking is free (on sunny days it can be busy, so carpooling with your group is recommended). Some of the activities on our farm are free, some  have a fee.  We definitely recommend a high adult-child ratio. Farms are exciting places, especially at a pumpkin patch - where lots of wonderful family memories can be made.
Creek House Farm
Port Orchard, Washington
Group Visit during Open Farm