Agapanthus praecox ssp orientalis 'Getty White' 

 

Charming clusters of bell-shaped white flowers bloom on tall, upright stems, rising above clumps of narrow, strap-like green leaves. With prompt removal of spent flower stems, it may rebloom occasionally. It's an excellent choice for container planting in colder regions or as a perennial accent in outdoor beds where winters are mild.

 

Grows 1.5' to 2.5' Tall, Full to partial sun, Hardiness zone 8-10