I'm not in Georgia and I'm a roofing contractor, not a gardening expert, so I can't be your source for this piece. But as a homesteader in Oregon who gardens seriously, I'll share what might help you find the right person. Check with the University of Georgia Extension's Master Gardener program--they have certified volunteers across the state who specialize in regional planting advice. The American Horticultural Society also has members who focus on cottage gardens and could speak to Georgia-specific plant selection and growing zones. For cottage gardens specifically in your climate, you'll want sources who understand Georgia's heat and humidity challenges. Traditional English cottage garden plants like roses and yarrow can struggle there without careful variety selection. A local expert will know which cultivars actually thrive in Zone 7b-8b versus just survive. One practical tip from my own garden: the "found object" containers everyone loves in cottage gardens need drainage holes or they become mosquito breeding grounds. Any Georgia expert worth quoting will mention that immediately--it's a real issue in humid climates that gets overlooked in pretty photos.
Cottage gardens work beautifully in Georgia because the climate supports dense, succession-style planting that keeps color going from early spring through late fall. I run one of the largest comparison platforms online, and one of the verticals we evaluate is outdoor/home products — which means we spend a lot of time studying how regional planting decisions impact long-term maintenance and cost. For Georgia cottage gardens, the formula that works best is layered bloomers + heat-tolerant perennials + edible accents anchored by a few structural roses. For dependable backbone plants, gardeners in Georgia have great results combining Knock Out roses, salvias, alliums, yarrow, dianthus, and echinacea, all of which handle humidity well. I also recommend weaving in Georgia natives like rudbeckia, blue mistflower, and little bluestem to keep the garden full during July-September when traditional cottage borders often fade. To add charm, the most effective hardscape pieces are weathered brick edging, pea gravel paths, and repurposed containers like galvanized tubs, wheelbarrows, or vintage bikes. These hold up to Georgia's freeze-thaw cycles better than softer woods. If you need image references for plant combinations or hardscape examples, I can provide those as well. Albert Richer, Founder, WhatAreTheBest.com