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.
In the world of zinnias, there are several different flower forms. Zinnias can be single (with just one row of petals around a center), semi-double (with 2 or 3 rows of petals) or fully double (with several rows of petals often hiding the center). The flowers on doubles can look like buttons, cactus flowers or dahlias. Zinnias are available in almost every color except blue.