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September 15, 2025

The Mountain Gardener: Dry River Beds – Beautiful and Beneficial

With so many people replacing their thirsty lawns with low water-use plants, I’m getting lots of requests for ideas about what to do with all that empty space. The sky’s the limit when you have a blank slate. Let me get you started.If your old lawn was in the front you might consider putting in a sitting area for a couple of chairs and a bistro table. Use simple crushed gravel or more formal flagstone underfoot and surround the space with a low seat wall to add a bit of privacy.Adding a dry river bed is another good solution. A dry river bed can slow runoff, spread it out and sink it back into the soil. Connected to a downspout they keep even more rainfall on your own property. If we get the El Nino storms that are predicted this will be a welcome addition to your landscape.A dry river bed is a rock-lined swale that uses rounded river rock in addition to vegetation to allow runoff to soak into the ground. Make sure there is a 2-percent slope from beginning to end to ensure that water is conveyed away from your house to the desired location. Non-woven geotextile fabric is often used underneath the rock.You can create a depression or rain garden at the end of your dry river bed and plant it with plants that tolerate wet feet in the winter. Both a dry river bed and a rain garden allow water to sink back into the ground. The plants remove pollutants from the runoff from roofs or other impervious surfaces.A rain garden might be a simple, shallow depression filled with plants that can flourish in both moist and dry conditions. The size and depth will depend on your how much water you need to capture in a winter runoffSometimes a dry river bed will receive so much runoff that a dry well or dispersal pit is installed at the end. If you have a high water table or clay soil the water may not always soak in fast enough and an overflow device like this is needed. The goal is to keep water on your own property and not in the street or the neighbors’ yard.There are good looking dry river beds as well as bad looking ones. A quick Google image search will show you what I mean. Your goal is to create something that looks like it belongs right where it is. The plants, the accent rocks, the cobble, the location – all need to work together.If your property has a natural slope, follow the natural terrain if possible. You can install a dry river bed on flat land also by creating a channel for the river bed to follow. Keep in mind that even a dry river bed is more interesting if it is not all visible at once. Soft, flowing curves and bends create a natural look.Start with the rocks and cobble. Rounded river cobble looks most natural for the creek bed. In nature, water flowing down a river would round off sharp rock edges to produce cobble of different sizes. A river never has just one size of rocks and yours shouldn’t either.Accent rocks can be any type that you like as long as you get a variety of rock sizes and shapes. Use the larger stones to direct and channel water. Placing rocks on the outside of a curve creates a more natural look.As in all gardens there is always a bit of maintenance to keep things looking and working great. Weeding in the first couple of months while plants become established is important. Replenish mulch as needed until the plants grow in.Periodically remove leaves that have landed in your river bed and reposition rocks moved by runoff to keep your dry creek bed working for you when you need it. Also don’t start your dry creek bed too close to the foundation of your home if that area is flat. You can direct the water through a drain pipe connected to a downspout to a lower starting spot in your garden.So whether you are adding a dry river bed to add interest to your lawn-free landscape or to double as catchment for winter storm runoff, make yours look like it’s always been there. -Jan Nelson, a landscape designer and California certified nursery professional, will answer questions about gardening in the Santa Cruz Mountains. E-mail her [email protected], or visitwww.jannelsonlandscapedesign.comto view past columns and pictures.

Datebook

- Submit Datebook items to [email protected], or drop off press releases or photos at 5215 Scotts Valley Drive, Ste. F, Scotts Valley 95066. Deadline is 5 p.m. Tuesday. Entries are subject to editing, and publication is not guaranteed.

Community mourns victim of Felton crash

She was born November 14, 1990 and died on November 2, 2015, when her car went over an embankment on East Zayante Road. Deeply loved, she will be missed. Jennie, as she was called, was a very accomplished young woman and had a bright future. Her friends and family will miss her deeply.

Nature Friendly: A geologist with many irons in the fire

Noted geologist Frank Perry has become a local Renaissance man of sorts. Not only has he been a standout leader on our annual geology walks along the San Lorenzo River — his third one will be June 18 — but he has signed on to create six outdoor interpretive signs at University of California, Santa Cruz.

History presentation to recount Ben Lomond’s early years

The rich and colorful history of Ben Lomond comes alive in the second of a three-part lecture series, “Tales of Ben Lomond, Gem of the Santa Cruz Mountains, Part 2” on Saturday, March 22. Doors open at 9:30am and the presentation begins at 10am...

Letter: Trim pensions before raising taxes

Recently, I received a flier from the newly formed citizen group “Preserve Scotts Valley.” It appears some folks are concerned about the magnitude of the city budget cuts and suggest an extension of a recent tax increase. As a taxpayer, I would support tax increases only if the Scotts Valley City Council recommended them. In addition, if things are as dire as the citizen group suggests, my first question would be, “Is Scotts Valley going to roll back the police and fire pension benefits?” The recent pension increases during the past decade that reach 90 percent of pay (with overtime spiking) is unsustainable and also, I might add, unreasonable. San Jose is going to implement a two-tier pension system this year with increased contributions by employees and lower pensions. With the coming budget deficits Scotts Valley faces, it's now time for the leadership of Scotts Valley to move in the same direction. The police and fire departments are the largest part of the budget, and public safety pensions are part of the reason for the current budget woes. Before any tax increases, our fiscal house should be put in order.

LOCAL Has his SIGNING DAY!

Patrick Sweeney, soon to be graduate of Scotts Valley High School, has recently committed to pitch for CSU, Stanislaus.  He has played baseball since he was five, and coaches refer to him as “a team player with a mid-80’s fastball and a devastating slider, pitching with great command,” great work ethic,” “smart kid who hustles,” “bulldog mentality on the bump.” Principal, Mike Hanson describes him as a “scholar athlete,” “known to have great integrity, “and his youth pastor says, “Patrick has a relentlessly positive attitude,” and “he lights up the room with his presence.”

Locals to compete in world disc golf championship in county

Professional disc golfers from around the globe will converge on the Monterey Bay Area this weekend for the Pro Disc Golfers Association Disc Golf World Championships.

Lockdown at SLVHS

Karen van Putten, the Principal of San Lorenzo Valley High School, applied an excellent principle of communication when she sent a letter to the families whose children were under lockdown on February 2. She reported that she had called for a lockdown on the three campuses and why she had done so.

It’s the Law: Assuming the risk of sports

When my daughter was 7 years old, she looked at me with puppy dog eyes and said, “Papa, will you coach my soccer team?”

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News Briefs

News Briefs | Published Sept. 12, 2025

Fun run, emergency preparedness fair set for Saturday On Saturday, Sept. 13, the City of Santa Cruz will be hosting Race the Wave, a 3K...