Choose plants with intact foliage and unbound roots.
Watch out for pests, fungus, mold or injury.
Smaller container sizes are often healthier, and cost less.
2. Avoid plants treated with pesticides
Plants are often treated with neonicotinoids that are harmful to beneficial insects, including bees. If possible, find a local nursery that can tell you what chemicals have been used in the growing process.
3. Local or specialty nurseries are more likely to have harder-to-find species.