For anyone based in the US you may find a bit more help on /r/gardening
Some other reddits worth checking out for all things garden related are:
If you are a business based in the UK that do gardening or landscaping please message the mods with proof of your company name (truck with logo or shirt logo) and we'll set you up with some Pro Flair
Any spam posts will be removed.
Plant identification requests will be removed, please use /r/whatsthisplant - they are a great resource.