Iberis sempervirens 'candytuft'

Iberis Sempervirens

Also known as ‘Candytuft’ this is a spreading ground cover with dark green leaves and multi-petaled white flowers.

https://landscapeplants.oregonstate.edu/plants/iberis-sempervirens-alexanders-white

https://landscapeplants.oregonstate.edu/plants/iberis-sempervirens-alexanders-white