What a wonderful project you have adding vegetables for the renters. Confusion of over organic and non-organic is common but the easy answer is that it is safe to plant vegetables grown with fertilizer from a non-organic source next to vegetables fertilized with organic sources and they will not "cross" in any way. Home Depot and Bonnie Plants both grow "Organic" vegetables. The issue of being "Bee Safe" is due to a pesticide (not a fertilizer) called Neonicotinoids (or Neonics) that is now rarely used. In 2016 Ortho and Scotts began to phase out using or selling that product as it had been linked to a possible decline in bumble bees in agricultural areas. Buying vegetable plants from Home Depot has no connection to pesticides that could harm bees. I would suggest you limit the use of insect killing sprays (insecticides) on edible crops and then just enjoy gardening. There is a lot of scary misinformation out there but as I am a speaker on "Gardening for Pollinators" with a degree in Horticulture I do keep up on university backed research on this topic. I can assure you that your vegetable and flower garden will be a great asset to not just you and your tenants but to all the pollinating bees, flies, birds and bats in the area as well. The more plants and flowers we grow the better for every living thing. Keep growing, Marianne Binetti