asked by
on 4/6/20Johnny's Selected Seeds is great for seeds. They are always tested for viability and the company is employee-owned. https://www.johnnyseeds.com/
Jackson & Perkins, Direct Gardening, Burpees, Dutch Bros and SpringHill. There is also many smaller companies.
I've ordered Spring hill before and they had great customer service & products.
Here's a great list:
https://www.almanac.com/content/garden-seed-catalogs-mail