Why's the color of my lavender foliage changing?
I'm worried that it might cause some common problems, but I'm pretty sure you planted it because the sunlight was too intense (which can scorch leaves).
Don't you worry about it, I'm sure it's just because of changing seasons.
Hey, just a heads-up, it's possible your leaves are dealing with chlorosis. This happens when they're yellowing because they're not making enough chlorophyll. It's a pretty common issue, but don't worry, there are ways to fix it. A good planting medium and the right soil pH can usually do the trick.