Do I trim back sweet woodruff so it will keep blooming or once it blooms out is it done?

Question

When I bought it was almost bloomed our.

• 

Answer 1

Bloom time is late spring to early summer.

Like most plants, when the new green growth comes out, the older, tattered leaves will disappear, but pruning it is okay if you want to have a tidier appearance.

https://www.gardeningknowhow.com/edible/herbs/woodruff/growing-sweet-woodruff.htm