To change your location, visit the Plant Grid and tap Edit Profile. Under Geolocation, you'll be able to update your location.
It's important that this location reflects where your plants are in the world, as light availability and water needs change drastically depending where on Earth you are!
To protect your privacy, you can allow Greg access to your location for the most accurate recommendations while hiding it from the public. To set your location to private, visit the Plant Grid and tap Edit Profile to access the private location toggle.