Get in Touch With Us
Have questions about plant spacing calculations? Want to recommend a crop preset? Have feedback or bug reports? Drop us a message below, and our cooperative will get back to you within 24 hours.
Send a Message
Support Email Channel
support@growagardencalculator.com
Monitored 24/7. Average response: 2 hours.
Horticultural Hub
Grow a Garden Cooperative LLC
120 Emerald Soil Road, Suite 400
Portland, OR 97201, United States
Global Head Office Map
Our Portland research greenhouse is open for weekend tours and workshops.