Talk:Malachite Dragon/@comment-4894300-20120717185616/@comment-5034528-20120717220210

Metal + Willow or Metal + Pollen. Both yield 4 results; Chrome, Pollen, Willow, Malachite.

The next best combination would be Cactus + Metal, also with 4 possible results. But, you may breed a Copper Dragon, which is 20 hours.