8th Annual Plant Auction will be held April 30th at the Putnam County Fairgrounds. Preview of plants starts at 9:15 am. Plant auction starts at 10:00 AM. 191 N US Hwy 231, Greencastle, IN 46135. Annuals / Perennials / Herbs / Houseplants / Shrubs / And more!!! **Money raised will help fund post-secondary education scholarships.