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If you are looking for attractive and low-maintenance additions to your garden, look no further than California native plants.

Most of California falls within a zone known as the California Floristic Province. Defined by the Sierra Nevada range on the west, this area is considered to be a biodiversity hot spot. Its many types of terrain and climate have given rise to around 8,000 endemic plant species. Consequently, you have many choices for native plants in your garden, whether you are looking for a delicate flower such as the California poppy or a tough survivor like manzanita.

Native plants offer numerous benefits. Many are drought- tolerant, a popular attribute in recent years. However, even drought-tolerant plants need some water until they’re established. Deep watering the first year will encourage deep root growth so the plant can access the water it needs in the future. This early attention will pay off by saving you time and money for years to come.

While native plants enhance your landscape, they also provide food and shelter for local wildlife. Many birds relish their berries and seeds and use them for perching while hunting insects, hiding from predators and nesting. Development has removed large amounts of native habitat, but as gardeners, we can help by recreating those living spaces in our own yards.

Native bees will also feel at home in a garden filled with California natives. They pollinate plants (especially important if you are growing edibles) and are a food source for birds and lizards. Most native bees do not sting unless provoked, and they do not form large colonies, so there are no nests or swarms to manage.

One iconic Napa Valley native is the majestic oak. We have nine native species here, but the most common are the coast live oak, the scrub oak and the valley oak. “Live” means the tree is evergreen. It is impossible to travel around the valley without noticing their beauty.

Often, I have accidentally come upon an oak, approaching it at such an angle that its full shape is suddenly visible. I am awed by its beauty. The thick, continually branching arms stretch to the sky, as if holding it aloft. From a distance, the blanket of waxy leaves appears soft and fluffy. These are unique trees that, as natives, require particular care.

Like many native plants, oaks are drought-tolerant, which means that they are sensitive to over watering. They do not want any summer water, so irrigation lines or plants with high water needs should not be placed under them.

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While the effects of too much water are not immediately visible, long-term over-watering can kill an oak tree. Mulching around the base is also discouraged. The leaves and other litter that drop from the tree, if left alone, will naturally prevent weeds from sprouting and also return nutrients to the soil.

You can learn more about native plants on the California Native Plant Society webpage. There, you will find lists of plants native to Napa Valley and nurseries that stock them. The society holds twice-yearly plant sales where you can learn more about California native plants.

Workshop

UC Master Gardeners of Napa County will host a workshop on “Oaks and Natives” on Saturday, May 13, from 9 a.m. to 11 a.m., at Skyline Park, 2201 Imola Avenue, Napa. Enjoy a guided tour around the park to appreciate and learn about oak woodlands and the stresses they face. Then continue with a stroll in the Martha Walker Garden to see oaks and native plants in a garden habitat. Learn about plant care and using native plants under oaks and elsewhere in your own garden. Take advantage of this opportunity to enjoy two of Napa County’s woodland gems. Online registration (credit card only).

Master Gardeners are volunteers who help the University of California reach the gardening public with home gardening information. U. C. Master Gardeners of Napa County ( http://ucanr.edu/ucmgnapa/) are available to answer gardening questions in person or by phone, Monday, Wednesday and Friday, 9 a.m. to Noon, at the U. C. Cooperative Extension office, 1710 Soscol Avenue, Suite 4, Napa, 707-253-4143, or from outside City of Napa toll-free at 877-279-3065. Or e-mail your garden questions by following the guidelines on our web site. Click on Napa, then on Have Garden Questions? Find us on Facebook under UC Master Gardeners of Napa County

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