Zone 10 Flowers & Plants

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Living in zone 10 is wonderful--sunshine, mild temperatures, lots of outdoor activities. Gardening in zone 10 can be a challenge, depending on what state you live in. Using indigenous plants can alleviate a lot of the stress of finding the "perfect plant" for that hot, full sun spot or that shady corner. Indigenous plants are also water conservative, pest resistant, and wildlife friendly.

The black mangrove is a Florida native and thrives in Florida's zone 10.
(mangrove image by Antonio Oquias from Fotolia.com)

Stretching from the California coast through southern Arizona and on to southern Florida, zone 10 is a small but vitally important hardiness zone in North America. Citrus and crop production in zone 10 areas are multi-billion dollar industries in California and Florida. California’s zone 10 regions are primary found along the coast through the Central Valley and into the inland deserts, and Arizona’s entire southwest corner is also zone 10. Florida’s southern tip is zone 10 from the Gulf of Mexico to the Atlantic. Although California, Arizona, and Florida are all classified as zone 10 hardiness areas, there is a huge difference in the climate from one to another. California and Arizona are true desert areas, receiving less than 50 cm (19.65 inches) of rain per year, with some areas receiving less that 25 cm (10 inches) whereas southern Florida receives an average of 122.80 cm (48 inches) per year.

Citrus production in zone 10 is a multi-billion-dollar industry.
citrus fruits image by Maria Brzostowska from Fotolia.com

You’ll find 4,291 species of plants (non-tree type) within the 435 vegetation ecosystems currently recognized in zone 10 in California, from the vivid bright fuchsia blooms of Abronia pogonantha (Mojave sand verbena) to Acer negundo (boxelder) to the highly endangered Torrey pine (evergreen, less than 150 individuals surviving) found only in San Diego, Santa Barbara, and Marin. Part of the Sonoran Desert, southern Arizona has more than 4,000 species of indigenous plants, with more being discovered every day. The primary habitat for cacti as well as species in the genera Asteraceae and Myrtaceae, southern Arizona’s native plants can be majestic--from the Rocky Mountain maple to the diminutive Encelia frutescens (button brittlebush). Native Florida flora for zone 10 is extensive and wide-ranging, from Amaranthus spp. (amaranth) to Avicennia germinans (black mangrove).

Arizona's Rocky Mountin maple is one example of a native tree perfectly suited for zone 10.
Maple-leaf image by HannaSigel from Fotolia.com

Native species have evolved within their environments, learning to adapt to natural changes that occur, such as drought, pests, or salinity. Zone 10 natives are especially hardy, as they must survive fairly high temperatures in extreme climate conditions--desert conditions with extremely low humidity or tropical conditions with extremely high humidity. These natives have natural pest resistance and water usage "meters"--should a period of drought occur. California and Arizona natives conserve water by producing fewer leaves and flowers whereas Florida natives are able to survive in high salinity environments by naturally filtering the excess salt.

Califormia poppies grow very well in their zone 10 environment.
Flower poppy image by Sazon from Fotolia.com

Water conservation is a major concern in California and Arizona; as such, indigenous plants serve to help conserve water, as they evolved in the semi-arid conditions of the region. Alternatively, Florida’s native flora has evolved in an environment where the saline water invades the fresh water table on a regular basis. Having the ability to desalinate the water when necessary is vitally important to survival.

Arizona's unique climate supports one of the world's largest groups of cacti, including the majestic and long-lived saguaro.
cactus image by Carol Wingert from Fotolia.com

Using native flora from both coasts in landscaping helps maintain the natural ecology of the region and creates bridges between urban and protected natural areas. Many attract beneficial insects and other pollinators.

Indigenous plants help maintain a healthy local environment by providing bridges between protected natural areas and urban areas.
flower & 2 bees image by redrex from Fotolia.com

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