Acacia saplings can't be grown next to large grass.

What I expected to happen was: to bonemeal the sapling a few times like the rest and then have a tree grow.
What actually happened was: nothing, nothing happened but fertilization particles.
Steps to Reproduce:
1. Make or plant some large grass,
2. Plant an Acacia sapling directly next to the large grass,
3. Have fun trying to get it to grow, because it won't.
This may happen with other saplings, I don't know for sure.