According to our records, this business is located at 4559 Highland Dr. in Longmont (in Boulder County), Colorado 80503, the location GPS coordinates are: 40.2127781 (latitude), -105.2491893 (longitude). Gwynnes Greenhouse & Gardens is categorized under Seeds and Bulbs (SIC code 5261). Known organization owner is Gwynne Owen. Current estimates show that the unit has a sales volume of $510,000 and staff of approximately 6 people. You can contact the company by phone at (303) 823-6818.