Hello Joanne..
welcome to GoY.

The plant is iberis sempervirens..

aka perennial candytuft ..

you can see it among other plants on the blog I wrote today...
http://www.growsonyou.com/terratoonie/blog/26169-a-peaceful-easter

I hope this helps. :o)

I thought Iberis - Candytuff is the common name. Let's see what others say.

Typed at the same time TT, wow, I'm please I didn't embarrass myself ;)

Think it is candytuft. I have lots in my garden, looks wonderful great cushions of white and very reliable, after flowering i trim right back and seems to thrive.

Lol. great minds think alike ;o)

Definately Perennial candytuft or Iberis sempervirens.

Fairly slow growing, they're like a sub-shrub. I have one that's no bigger than 18" across that has been like that for 15 years.

Thankyou everyone

Yes its a real old faithful of mine, I just take the shears to mine once its finished flowering, been in my garden for over 40yrs and provided all my friends and family as well...