Cutting Back the Agave Walk

As I’ve written before, this little walkway is often under siege by sprawlers (or gloriously festooned with plant life, depending on your point of view).
When half the path disappears under plants, even I know it’s time to do some cutting back. Agave geminiflora stands tall in a pot, safe from being inundated.
After the mid-summer cutback, the agaves remind me of stranded starfish once the plants recede.

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The ‘Waverly’ salvia was cut back by at least half. Still plenty of salvia left for the hummers though. This will probably be the salvia’s last year in this spot, since it’s grown excessively woody and needs to be started again from cuttings. The two large pebble pavers were completely buried by it.

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I long ago read that the ‘Waverly’ salvia was a spontaneous hybrid of S. leucantha and S. chiapensis. I repeated this on a forum, and Richard Dufresne, salvia expert extraordinaire, queried where I had heard this. Of course, I had no memory of where I’d heard this, and it was purely unsupported, anecdotal information. Sometimes being an amateur vs. an expert has its perks. You get to shrug instead of sweat the details.

Interesting about plant nomenclature. It’s usually no more than a nuisance keeping up with changing names, but occasionally it does impact even the home gardener. A few years back I thought I’d try the dwarf Salvia leucantha, the variety ‘Santa Barbara,’ and ordered it from the wonderful Northern California nursery Digging Dog. They sent the ‘Waverly’ salvia, which I hadn’t grown in years due to the massive size it reaches. I was amazed that this estimable nursery made such an error, but soon after realized it was a result of their being up-to-the-minute on nomenclature, a problem of too much information. They immediately straightened out the order. As the San Marcos link indicates, two salvias were simultaneously known at that moment in time as Salvia ‘Santa Barbara,’ the dwarf leucantha and this salvia I’ve always known as ‘Waverly.’ The ‘Waverly’ in my garden are descendants from that mishap. And the true identity of the ‘Waverly’ salvia still remains a mystery. Growing the mystery salvia formerly known as ‘Waverly’ at the edge of a border rather than mid-border nicely handles its size and sprawl issues. Much better it sprawls on bricks than neighboring plants.

Leaving the thorny thickets of botanical nomenclature and back to the now wide expanses of the agave walk, relatively speaking. Trachelium caeruleum has seeded into the dry-laid bricks.

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Caladrinia spectabilis still waving long wands of magenta poppies. Long may it wave.

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Back near the potted Agave parryi, Cobaea scandens leans a bloom on Ballota acetabulosa, which is also in bloom, though almost imperceptibly.

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See the little bobbles? Another first-rate sprawler but one of my favorite plants.

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Bivouaced With Gardens Illustrated

Or up in the “biv,” as we call it. I’ve never outgrown a desire for spending time in out-of-the-way spots, preferably off the ground. I spent considerable time in trees and on the roof as a kid.

This particular bivouac is just the 4×10 roof of the little outdoor washer and dryer shed built against the house, southern exposure, garden side. The roof of the laundry shed was turned into a little deck/fort built for the kids but hasn’t had much use in years. Only roughly six feet off the ground and can support quite a bit of weight. Like a bench, your back is up against the house. A ladder is propped up against the shed for access to the deck. When the kids used it, we built a railing for safety but recently removed the termite-chewed remnants of it.

To become bivouaced, one grabs a stack of neglected reading material, books, magazines. Snacks are optional (I brought some pistachios.) Climb up, and you’re now righteously bivouaced for a holiday afternoon, waiting to ride bikes to see some fireworks when it grows dark. It’s an entirely new perspective up here.

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On the way to the farmer’s market this morning, I happened to spot some marine-grade, canvas-covered chaise lounge cushions being discarded that would be perfect for the biv.

Full disclosure: In truth, I asked to be let out of the car because the most beautiful Agave desmettiana I had ever seen was planted in the front yard of a house of this little beach community we were driving through called Naples. Dark green with slim yellow striping on the leaves. Maybe there was a pup just hanging off of it. On close inspection, there wasn’t. The agave was perfect, no pups easily seen, and I would never take a chance in possibly desecrating such a beautiful agave, at least without knocking first. All your plants are safe with me, no worries. Walking back to the car is when I found the cushions in the alley. The broken plastic chaise lounges I had no need for. These are the cushions now in the bivouac, first loosely covered with a beige canvas painter’s tarp, one of the largest, most useful lengths of finished, durable fabric to be had for about $5 at a hardware store — its various guises include table cloth, picnic blanket, small tent, impromptu overhead awning, cushion covers, etc.

Back to the biv. At first, it’s very difficult to concentrate. The canopies of the trees sway just a few feet away, birds cut through an air space that we both now share. Butterflies waft in and out. After a good bit of skylarking and settling in, it was back to the business of catching up on some reading. There’s an article in the Atlantic I’ve been waiting to get to, but who am I kidding. The entire afternoon is given up to rapturous perusal of the June Gardens Illustrated. No magazine does plant talk like GI. I eventually called out for paper and pencil and was handed up a notebook and pen.

Plants of desire:

Akebia longeracemosa; from Taiwan, less vigorous than A. quinata. This image I found on a German academic website lacks the sheer porn value of the GI image but gives a fairly good likeness, except that the racemes just aren’t all that long in this photo. In GI the racemes dripped like wisteria.

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Peucedanum verticillare, an umbellifer I’d never heard of. Like bees, I can’t get enough of umbellifers. Photo from The Guardian:

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Cavolo nero, the Italian black kale I’ve been reading so much about. Perfect for fall planting. Photo from the Wine Berserkers website.

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Papaver atlanticum, said to be “prettier” than the Spanish poppies that have colonized the gravel garden, P. rupifragum.

Epilobium, the fireweed, or rosebay willowherb, is now called Chamerion. I had no idea the name changed. GI always pushes the white version, and it’s utterly impossible to locate, at least in the U.S.

Ageratina aetissima ‘Chocolate.’ This plant looks awfully familiar, but that name — oh, yes, Google identifies it as formerly known as Eupatorium rugosum. Again, no idea the name changed.

Isn’t it interesting that about the same time people were taking down walls for open floor plans indoors, garden rooms outdoors became the rage. Every article must use the phrase “distinctive garden rooms” at least once, as though it’s a new and novel practice. I’m not against planning a garden in rooms, but it hardly seems distinctive anymore.

I loved Carol Klein’s quote about a changing garden: “Appreciating a planting scheme is more like watching a film than looking at a picture.” But exactly, Carol.

Wonderful portrait of Piet Oudolf’s wife, Anja Oudolf, married to Piet at 21, and runs the nursery.

Another good piece on the designer Raymond Jungles, who counts as major influences Luis Barragan and Roberto Burle Marx. A client of Jungles describes his style as “Nature almost wins.” And I’ve now added Brazil as garden trip destination to see Burle Marx’s estate.

Ending as usual with a great essay by Frank Ronan about seeking perfection in gardens: “A garden is a collaboration with nature, which was making perfect things before we were making things at all.”

And I skipped entirely the article on meconopsis.

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4th of July Manifesto/A Garden Needs Legs

In a long growing season, a garden needs legs. A firm belief of mine is that it must not be allowed to flag or pause or become excessively disheveled. (Would that I was imbued with a similar belief system for the inside of the house that the garden surrounds.)
And by “legs” I mean, for example, that you’re not waiting for the dahlias to bloom, with little to look at before or after. Staying power. Where summer turns buggy and humid, a garden’s legs may involve leaping over the miserable months with a firm landing in autumn.
How one goes about giving a garden legs will be, obviously and appropriately, a uniquely personal and regional response.

Back in May, the view from the kitchen windows.

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And today. (Nice job by that one allium on the left, eh? One out of a dozen planted. All the rest no-shows. Making appropriate adjustments in next year’s order, e.g., 36 bulbs equals 3 blooms.)

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This may not be enough of a summer garden for some. I’m just happy the proportions are hanging in there and there’s enough going on to hold my interest. Unless you’ve got a second home to retreat to mid-July, the garden has to be your sustenance, your reason for coming home after a grueling workday. And I’ve had too many out-of-control gardens by July. But it is a compromise. For me, an explosion of perennials would mean looking at mud the remaining nine months of the year. Include too many of my beloved architectural plants, like agaves, yuccas, or the gorgeous shrubs like the dark lophomyrtus and golfball pittosporums pictured, and you can unwittingly achieve stasis, gorgeous though it may be. My eye (and nervous system) craves the changes that ephemeral plants bring. It’ll be interesting to see if that ruby grass near the center, Melinus nerviglumis, blooms well in this spot. And when the purple orach is finally cut down, that dark smudge between the pitts, Salvia canariensis planted behind the orach will be visible and just might be in bloom for fall. If not this year, then the next. Behind every blogger’s garden photo is a cold calculus, a complex web of reasons behind why those plants pictured were grown and why others perfectly amenable to that zone weren’t.

And what can look overwrought to some can be sorely lacking in excitement to others. I would love to seat Deborah Silver and Keeyla Meadows together at a dinner party and eavesdrop on their discussion of this subject. Deborah in Detroit, with a very short growing season, favors a timeless, classical approach, clean lines, no strong contrasts, a celebration of green, with color provided mostly by annuals in pots. A friend arranged for a visit to Keeyla’s chromaphilic garden near San Francisco last week, and Keeyla apologized for the lull in flower interest and color. She needn’t have. Sensory overload never looked so good. Keeyla would doze off in my garden. What would Deborah garden like in San Francisco?

Some years the garden’s legs are stronger than others, but every summer brings its successes. By July, it’s fairly clear what counts as success and what doesn’t (alliums again). One thing I’m very glad to have planned for this summer was sowing a few Centhranthus ruber, white valerian. I know I may have ended up inviting a rambunctious character into the garden, but for now am just enjoying how its billowy clouds unify the garden and give it legs this summer. I love the golden trinity of the New Zealand wind grass, the Sedum nussbaumerianum, and the Euphorbia tirucalli, moved out of the center in the top photo to make up this triad. The eye ricochets from the deep amber sedum to the grass’s golden fountain like a carrom shot. The medio-picta agaves pick up the white in the valerian. A ‘Hopi Red’ amaranth will soon be towering above the wind grass, making another carrom shot from the ‘Zwartkop’ aeonium opposite.

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Mercifully, there’s no rule that says every gardener has to select plants from the same genera. In fact, we can skip entire genera if they turn the garden into a shambles by July, some having consumed half the garden’s resources, not to mention the gardener’s resources, by the time they take their leave. For a garden not to collapse mid-summer, hard choices have to be made. Some lovelies with lengthy, post-flowering hangovers will have to be excluded.

Modest, simple flowers can be just as enjoyable as those from the more celebrated genera. Allium senescens, brought home from Filoli, planted up close in a pot. Nice leaves too.

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Some gardeners, even those with enough sun, say no to flowers entirely. As Uncle Monty in the film Withnail & I crankily opined, flowers are just tarts, prostitutes for the bees.

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Well, I say let the bees have their tarts, but don’t let their inclusion spoil an otherwise perfectly enjoyable garden. No tarts with mildewy leaves, for example. And either they quit the garden party gracefully and entirely when done flowering or offer up some fine seed heads into the bargain.

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More legs, now of the literal kind. These are the garden’s Martian walkers or tripods. Succulent baskets hang from the top, vines like asarina, dolichos, and thunbergia grow up the green wire bases. This one grows the variegated trailer Crassula sarmentosa. Dolichos lablab vine, unseen in the photo, has reached the top and just started to bloom. Purple pods should be appearing soon.

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Gardens need legs. Another July, another manifesto. Thank goodness outdated garden manifestos can always be composted.

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Ruth Bancroft Garden

If you have an Internet connection and a love of plants, you probably also have many unmet friends with those same two attributes. Finally meeting up with them is thrilling. When they arrange to take you to marvelous gardens you’ve never visited before, life doesn’t get any better.

Just such a friend arranged for a group of gardeners to visit the Ruth Bancroft Garden, located in Walnut Creek, California, one I’ve long wanted to explore. The garden didn’t disappoint.

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I’m guessing Agave lophantha.

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This guy in the center looks a lot like my Mr. Ripple, which is an A. salmiana hybrid.

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Thrilling enough, no? But what I didn’t expect to find was garden scenes like this.

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Free is Worth Your Time

Bloggers need no convincing on this point. And I’m not opening up a can of worms regarding, for example, whether or not to pay for online music or journalism. Obviously, we have to. I’m probably one of the few people in the nation who can claim to have ponied up $50 for subscription to the online New York Times Select during its experimental and brief existence just so I could read Paul Krugman’s columns when they were behind the Select firewall. This is a purely noncontroversial free, in the context of outdoor summer concerts, something everyone can get on board with.

So even though it’s high summer, I urge you to leave your horticultural symphony for just an evening, to lay down the garden baton and head for some outdoor concerts. If you’re in Los Angeles, the premiere outdoor concert venue is Grand Performances in Downtown Los Angeles. This is not pop standards at your local park, though there’s nothing wrong with that, but some of the most exciting music and performing artists the world has to offer. And it’s free. Take the Metro Blue Line to the Metro Station at 7th and Flower, walk past our glorious library to the California Plaza at 350 South Grand Avenue. The city’s soft glow against the night sky, the performing artists, the neo-noirish, balmy air scented by the bloom du jour — summer in Los Angeles at its finest.

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Second Nature Garden Design

MB Maher paid a visit to the home of Southern California landscape designer Dustin Gimbel of Second Nature Garden Design, as part of an ongoing series of photographic house calls to landscape designers.

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Dustin has an amazingly stellar background in horticulture, including stints working with John Greenlee, at Heronswood, Great Dixter, and taking a diploma from the Royal Horticultural Society’s main garden at Wisley (or “Wizzers” as the locals call it).

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His recently purchased home serves as both nursery and design laboratory.

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I actually bought plants from Dustin when he was no more than a kid working at the late Mary Lou Heard’s wonderful nursery in Westminster, California, over a decade ago, and even then it was obvious that this was a person clearly besotted with plants.

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Dahlias, Dahling

I have this one dahlia that came back this spring. Bought at a spring 2009 garden show. I’ve pored over the skimpy 2009 garden notebook but apparently didn’t write down the name, if it was even labeled. A font of information as usual, but aren’t dahlias nice? Doesn’t its exotic looks make you want to wrap your head in a turban like Gloria Swanson and throw on a caftan? Or maybe since the dahlia is from Mexico, perhaps dressing Tehuana style like Frida Kahlo would be more appropriate. Heck, if summer finds me in anything other than dirty gardening jeans, it counts as festive.

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The dahlia is deep mid bed, so the oblique view is not artistic but just a reluctance to step into the garden for a better shot. Clay compacts surprisingly fast. And don’t let this long-necked beauty’s voluptuous looks blind you to the essential requirement of firm support. Unseen in this photo is the gauche use of a length of rebar for staking. One well-grown, well-supported dahlia can put on quite a lengthy show in a small garden.

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Some dahlias do well wintering over in the garden in zone 10. Frost isn’t a problem because there isn’t any, but heavy, wet soil can be. I had a ‘Thomas Edison’ who loved wintering over in situ, and I see dahlias grown in the ground year-round in the neighborhood. It’s case-by-case experimentation, because some dahlias simply will not tolerate overwintering in the ground. All three tubers from 2009 were wintered in pots, all came through firm and looked ready to grow, but only this one wasn’t kidding. They were all this color, so no matter really. I’d guess this one might be classified a waterlily type, but I could be wrong since I don’t bother much with the various classifications. My only requirement is that the flower be on the smaller side, not the ginormous dinnerplate dahlias, and I confess to pursuing the darker-petaled, burgundy colors. The height of luxury is choosing them “in the petal,” which I had the good fortune to do many years ago at Swan Island’s annual Dahlia Festival, which is held later in the summer, August and September.

And these exotic beauties are absolute pigs for compost, the more manure in the compost the better.

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Monkey Business

The monkey flower planted into the ground has clambered up into the arms of a potted helichrysum.

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I like promoting such intimate relationships between the grounded and the potted. The mimulus thrives in the slightly heavy clay of the garden. Pot life would suit it fine as well, but it’d want a lot more water. The Helichrysum petiolare is a dwarf and is getting a bit woody, so may have to be restarted soon from cuttings, but I prefer the dwarf’s light tracery of branches to the engulfing growth of the species. Living in the pot year-round with the helichrysum are some aeoniums and a little manihot tree, unseen in the photo, whose leaves sprout comically at the end of its very slender 4-foot trunk. The manihot is nothing but a stick to look at all winter, so I probably won’t plant it into the garden. But what fantastic shadow play its leaves will make in summer with just a bit more heat to bring on growth. Just a few blooms of the mimulus really livens things up. Later on in the season a red iochroma will be in bloom behind the pot, the big leaves to the left. I really enjoy these small, incremental changes summer brings. In a long growing season, summer doesn’t have to be about masses of blooming annuals, especially not with our current water restrictions.

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A photo of the aeoniums and helichrysum taken earlier in January this year shows a much greener aeonium.

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The dark red mimulus is probably a hybrid of our native Mimulus aurantiacus.

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Succulents on Ice

Glass mulch can be a pricy indulgence, one I don’t often make. But I was recently given a pound of some icy mulch from Building REsources in San Francisco. Why can’t I always get presents like this? What luxury to plunge one’s hands into a whole sack of this stuff and dress up whatever pot needs a little icing. Rich as Croesus is how I feel.

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Icy chips for Senecio medley-woodii and Sedum dasyphyllum var. major.

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This Aeonium balsamiferum used to be upright, a tower of leafy rosettes, but then maturity and gravity caused its branches to tumble down (happens to plants too), which exposed bare soil on the surface of the pot.

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Today when I passed by the collapsed aeonium pot, I remembered that, for the moment at least, I was flush with glass mulch. This hand-thrown pot, brought back in a suitcase from an English pottery, made the trip back intact, only to get chipped here at home, but the aeonium now happily exploits the flaw and spills through the breach. I ultimately decided to tuck in a couple echeverias I had handy into the soil around its collapsed branches. And then I topped it off with a little glass mulch for good measure.

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Just like everything else horticultural, fine glass and stone mulches can be addicting. There’s a new store in town, Exotic Pebbles & Aggregates that I can’t wait to check out.

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Concentrated Color

Antique tiles from the California Heritage Museum’s 10th annual Antique and Contemporary Tile sale held this past weekend in Santa Monica, California.

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