Wildflower seeds native to your region.
Not only are zinnias bright and beautiful, they are useful plants in the garden for attracting hummingbirds, bees and butterflies.
We have only dusted the surface of our favorite noms, and there are lots more to come.
They also make nice companions for a number of different flowers.
In my humble opinion, I'm not sure, I haven't seen enough data, yet.
Can be grown in any region.