I tried cross pollinating some Hardy Hibiscus based on the "oh so scientific" criteria of which ones happened to bloom the same day. I'm counting my seed pods before they mature.
Pink Swirl x Cranberry Crush:
Berry Awesome x Starry Starry Night:
Cherry Brandy x Cranberry Crush:
Cherry Brandy x Starry Starry Night:
Mocha Moon x Cranberry Crush & Mocha Moon x Starry Starry Night:
Mocha Moon x Midnight Marvel:
Starry Starry Night x Cranberry Crush:
Cranberry Crush x Mocha Moon:
Berry Awesome x Mocha Moon: