Bug #1: When placing any Park Vegetation down in Blueprint mode and upgrading them, they build with dark green grass even if you have the light green grass option enabled.
Bug #2: Temperate Grove 16 doesn't have a light green grass version.
Edit:
Short clip showing bugs
Greetings @tsundak! I'm sorry to hear about these grass color issues you've come across. In order to take a closer look into these, would you please provide screenshots or clips showing the colors not appearing correctly for you? Thanks!
Thanks for providing this clip @tsundak! When did you originally notice this occurring for you?
Thank you for this additional information @tsundak! I've passed this information you've provided along to the team for further investigation. If you have any other questions, don't hesitate to ask, & we'd be glad to help!
Thanks for sharing your experience of this ornament grass coloring too humility925. Our QA team have been able to replicate this issue too and they are looking into this now. If you notice this coloured grass effect not working correctly on any other structures, please let us know 
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