Alyssum Flower Sun. It blooms in spring to early summer. In northern climates with mild summers full sun is ideal which allows plants to keep blooming as much as they can.
Annual to Zone 9. Alyssum perennial comes back year after year and is extremely easy to grow. They all prefer full sun and will grow about a half a foot tall.
It can also be grown in zones 810 though it may not grow as long in those zones.
In areas where summers are on the warm side plant alyssums in part shade especially protected from the hot afternoon sun. Feb 28 2010 It is said to be hardy and grows well in zones 37. This aptly named flower also sometimes called Sweet Alice. Alyssum prefers cool weatherspring and fall.