How To Care For Hibiscus In Arizona. 16-32 C and cannot tolerate temps below 32 F. Those that live in Arizona and Nevada should supplement with our Soil and Water Conditioner because of the high levels of salt found in the local water.
Even the most tender tropical hibiscus will bloom profusely but they may need special protection from possible freezes. Growing hibiscus in zone 8 gives the gardener several forms from which to choose. Those that live in Arizona and Nevada should supplement with our Soil and Water Conditioner because of the high levels of salt found in the local water.
To care for a hibiscus plant plant it in loose loamy soil in a pot with good drainage.
Typically tropical hibiscus plants thrive best with one to two inches of water per week. During winter the plant will be green but is almost dormant so it needs very little water and can be switched to a citrus watering schedule. This plant also requires. When you care for a hibiscus you should remember that hibiscus flowers best in temperatures between 60-90 F.