Pam's Greenhouses Opening Day! 1815 E Main St, Reedsburg. Open 7 days a week 8 AM-8 PM. For more information call (608) 768-2837. Pam's Greenhouses Newsletter Sign Up! Find out when deliveries will be arriving! Also, once you’re added to our email newsletter list, we’ll share articles, tips and ideas every now and then along with special alerts and updates during the greenhouse season.