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A Native Mixed Border
by Arvind Kumar

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Recently, a relative asked us to design a native planting plan for his garden in Saratoga. Mahesh and Pragati have two young sons, and lead extremely busy lives. Between soccer practice, the library commission, and a Cisco job, there is not much time left to tend to the garden. Mahesh wants a low-maintenance, unthirsty garden that also looks nice most of the year. Pragati would like to see some color in the garden other than brown.

Their front yard sits on a north facing slope. The driveway goes up the slope and curves gently to the right before ending at the garage. On the left of the driveway are some mature coast live oaks (Quercus agrifolia) and toyons (Heteromeles arbutifolia). It is the area to the right that needs attention.

The steeper parts of this slope are punctuated by retaining walls of 4”x4” redwood logs. The previous owner had planted trailing jasmine which has since died out. The soil looks clayey, but is humus-rich and surprisingly easy to dig. Drip irrigation is available over most of this area.

Mahesh has been growing California poppies for many years, and has recently started planting native perennials. He has been pleased with California Fuchsia (Epilobium canum canum) and California Aster (Aster chilensis), both undemanding summer bloomers that look good and attract wildlife.

This article presents a possible plan for a mixed border along the driveway. The plan provides color during spring as well as summer. It requires maintenance only once a year. The plant list consists of just five plants:

 
Lilac Verbena
Lilac Verbena, Verbena lilacena
 
Sulfur Buckwheat
Sulfur Buckwheat, Eriogonum umbellatum polyanthum
California Fuchsia
California Fuchsia, Epilobium canum canum
 
Rosy Buckwheat
Rosy Buckwheat, Eriogonum grande rubescens
California Aster
California Aster, Aster chilensis
 
The plants are all California natives, with one exception. Lilac Verbena comes from Cedros Island, off the coast of Baja California, and we include it here due to its proximity to our state as well as its exceptional garden qualities: lovely flowers, long bloom period, and wildlife value.

This plan provides a space roughly 2’ in diameter for each plant, except the verbena which will grow to be 4’ wide.

During spring, the color will come from the buckwheats (alternating patches of yellow and pink) as well as the taller verbena (purple). The foliage of the aster (deep green) and fuchsia (gray-green) will provide the backdrop against which the flowering plants will shine.
 
Mixed Border in Spring
 
During summer, the plants will exchange roles. As the buckwheat pompon flowers fall off, the fuchsia and aster come into their own. The lavender of the aster will contrast nicely with the red of the fuchsia. Although less profuse than before, the verbena will still be in bloom.
 
Mixed Border in Summer
 
From spring to late summer, this border will have up to three different plants in bloom, while the foliage of the other two will help them stand out. The plan places the shorter plants in front and the taller ones at the back.

Both the aster and the fuchsia spread by rhizomes, and bind the soil. They are ideally suited for slopes and effective at erosion control.

Because the plants are native or near-native, Mahesh can count on being able to observe a diversity of feeders in action for half the year. The buckwheats will draw insects of many kinds, and wherever insects abound, birds are sure to follow. The fuchsia will draw hummingbirds, the aster bees, and the verbena butterflies.

A native garden looks better with some maintenance. In this case, we recommend an annual schedule that requires shearing the fuchsia and aster only. In late fall, after the first good rain, cut the fuchsia and aster to the ground. Expect new lush growth to follow during spring; these plants will not need further attention for the rest of the year. Deadheading the buckwheats is a matter of personal preference; they should not be sheared.

You have heard this before, and it is indeed true: The best time to plant in California is fall. The winter rains help the plants grow their roots so they can better handle the summer drought.

These plants are drought-tolerant when established. They will need summer watering the first couple of years. A 10-minute morning drip once a week is adequate for the first year. You may cut it down to every two weeks in the second year.

These plants are available at all native nurseries (see the list in the article A Sense of Place). I have been pleasantly surprised by the selection of natives at my neighborhood nursery: Payless Nursery, 2927 S. King Road (at Aborn), San Jose, (408) 274-7815; if you have specific questions about native plants, ask to speak to Wanda, who is extremely knowledgeable and helpful.

Arvind Kumar grows native plants in his Evergreen garden. He is a volunteer with the California Native Plant Society, and has been planting native plants at Lake Cunningham for the last two years. This article first appeared in the New Neighborhood Voice, www.nnvesj.org, a webzine for the east hills of San Jose. All the pictures on this page © Arvind Kumar.