Virtual Villagers Tips & Tricks, Walkthroughs, Guides, Hints and HelpLast Day of Work Official Forums: Virtual Families, Virtual Villagers, Fish Tycoon
There are 253 plant combinations, and out of these I had success with 182. Put 2 different plants next to each other. I found they will often produce hybrids if I turn my phone's time ahead one hour, then set time back to normal.