here are a few i have been growing this year.
angelonia, likes sun and heat.keep watered and fert.
lantana.heat sun and water.
gomphrena,pink zazzle. something new this year and had to try.sun and part shade.keep moist.
the angelonia and lantana are super easy to grow.some of my best sellers in the greenhouse. the angelonia also comes in pink and white but the purple has done best for me.