When the bottom half of the double tall grass is broken a sunflower appears for a second then disappears, nothing major

Put the summary of the bug you're having here

What I expected to happen was...:
I thought it was going to break

What actually happened was...:
a sunflower appeared for a second then disapeared

Steps to Reproduce:
1. either find or place a double tall grass
2. make sure you can punch the bottom half
3. then, well... punch the bottom half
4. a sunflower will appear for a second then disappear