Hours and Directions Treefrog Nursery 11100 Georgetown Pike Great Falls, VA 22066 703-467-9800 We operate a greenhouse at Krop's Crops Farm - one of the last agricultural sites in Great Falls. Our normal hours are 10am-5pm daily, except Sundays noon-5pm. We are closed Wednesdays during the Summer (July/August) and close for Winter from Thanksgiving until the first day of Spring. Contact us Krop's Crops is lucky to have a beautiful, peaceful location, on Georgetown Pike 3/4 mile from Route 7. The rural setting belies the fact that we are only 5 minutes from Reston Town Center, Great Falls Center, and Sterling. And don't forget to bring the kids to visit Larry's goats, chickens and rabbits!