Home : Climate Graphs: Arizona : Phoenix. Average Temperatures for Phoenix. Phoenix's coldest month is January when the average temperature overnight is 43.4Â°F. In July, the warmest month, the average day time temperature rises to 104.2Â°F. Average Rainfall for Phoenix.
A native of Chile and Argentina, this particular fuchsia variety is fairly cold hardy and may be grown in USDA zones 6 to 9, though it may die back down to the ground in the winter in cooler climates. The shrub may grow to be 10 feet tall, producing waxy, bi-colored flowers in shades of red, pink and dark purple.
There are varieties to choose from depending on the height, color, flowering season and length of bloom you want. Examples of perennial flowers include datura plants, lavender, datura and lobelia. Datura plants survive in hot weather conditions and they can even grow as tress.