The butterfly garden

I was thinking that since we basically have nearly every colour in wood that perhaps we could add a purple wood type? both light purple and dark purple. to do this it could be that the smaller trees of this biome are light purple and the bigger trees of this biome are dark purple. this biome could be a relatively safe place to which a mob of butterflies could spawn in. this is just an idea as while building I noticed we didn't really have that many purple blocks.