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Archive for May, 2016

Bouverie Preserve

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I also went out to the Bouverie Perserve in Sonoma. It’s a 535 acre preserve that’s only open to the public for guided walks a few times a year. It’s a great property. I’m glad I got a chance to see it.

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I had heard about the Bouverie Preserve on a list of places to see California wildflowers, but I may have been there late for the peak bloom. I saw dozens of Calochortus amabilis, one of my favorites, and a nice patch of Chinese Houses, another favorite, so I wasn’t disappointed. I also saw Blue Dicks, a few Clarkia purpurea had opened, and a lot of Owl’s Clover was scattered throughout the grasses.

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Instead of wildflowers, it was a great place to see oaks. Beautiful oaks.

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One of the trails ran along a creek that still had water flowing at the end of April. The tapestry of ferns alongside the trail was even better than the oaks and wildflowers.

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Shell Ridge Natives

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During the wildflower season, I spent a few hours pulling weeds at a restoration project at Shell Ridge Open Space in Walnut Creek. It’s a compelling, though still somewhat nascent, project, a steep slope facing the entrance of the open space. Most of the restoration work has happened in the last few years. The plants are young and there’s quite a variety of species, including a number of beautiful bunch grasses — Poa, Nasella, and Koeleria, maybe a few others — but the biggest visual impact came from the annuals that were blooming — California Poppies, Chinese Houses, and to lesser extent a Phacelia that I hadn’t seen before, P. distans which was popular with the bees but not really photogenic or garden worthy.

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I loved the big patches of Collinsia heterophylla. I tried to grow them in my garden this year, but they didn’t do well, I think because of slugs and snails.

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Other areas have been more recently cleared and planted. That’s a great looking oak; it will be beautiful with wildflowers filled in around it.

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There’s a former quarry across from the restoration area. From a distance the quarry shows like a scar, but it’s a nice landscape up close.

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Some of the boulders display the shells that presumably inspired the name Shell Ridge.

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I hadn’t been to Shell Ridge in years, so it was great to be lured out by the restoration project. It’s a pretty classic California landscape, lovely grassy hills, and I’ll be sure to go back see how the restoration project continues to progress.

Oakland Hills Foliage Garden

This past weekend was the Bringing Back the Natives Tour. I spent Sunday afternoon volunteering at a garden that we maintain, Carol Baird and Alan Harper’s garden in the Oakland Hills, an extensive garden on five acres overlooking Redwood Regional Park. It’s a tremendous garden and there’s a lot I could say about it, but this post just scratches the surface. I’m sure I’ll post about it again at some future point.

ClimbingRoseMetalTrellis

To give an overview, the house and garden were put in about fifteen years ago. Roger Raiche, who I have mentioned on this blog before, planted the garden, imprinting the main areas around the pool and entrance with his signature style — closely-spaced interwoven plantings, an extensive variety of plants, lots of chartreuse and variegated foliage, strong forms, bold contrasts. Afterwards, the maintenance gardener began weeding and taking out blackberry thickets on the rest of the property using the Bradley method, restoring a lovely section of oak woodland and making quite a bit of progress on a grassland area. She retired two years ago and we took over the maintenance, continuing to use the Bradley method in the restoration areas, as well as making some upgrades. The trellis in the photo above was recently added for the climbing rose, and I’ve done some stonework in a couple of areas, including this little basalt wall next to the parking area.

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Some of these photos include flowers but more than anything this garden is a celebration of foliage. Roger Raiche’s concept was ‘Every shade of green’ and I can attest to there being just about every shade imaginable. A lot of the foliage is set to contrast, but there are also a lot of interesting ways that the colors and forms are carried from one plant into another, such as the way the green striping on the Phormium echoes the Berkeley Sedge. At first glance the stripe could be a blade of the sedge, and even after your eye adjusts it still looks a little bit as if the sedge’s green was somehow injected into the Phormium.

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Roger Raiche is a native plant expert and he used a lot of natives, including this clever use of Western Spicebush, Calycanthus occidentalis, to drape over a ten foot retaining wall along the driveway. I’ve never seen Spicebush used like this anywhere else; it’s effective and easy to maintain, casually matching the scale of the wall.

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The majority of the natives in the garden, however, planted themselves. Anita is more involved with the restoration and maintenance than I am, so I don’t always know for sure what was planted and what came as a volunteer, but a tremendous variety of native plants were uncovered from the blackberry thickets or seeded themselves afterwards. I love the combination of plants in the photo above, a beautiful woodland mix as pretty as anyone could hope to design.

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I put the other photos from the slideshow below.
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