Tuesday, November 11, 2014
Cover of Stem Cell Reports!
Cover As shown by Unternaehrer et al. (pp. 691–698), the transcription factor SNAIL (SNAI1), typically associated with the epithelial-to-mesenchymal transition, paradoxically enhances somatic cell reprogramming, which is typically described as a mesenchymal-to-epithelial transition. Original artwork by Anna Lensch.http://www.cell.com/stem-cell-reports/issue?pii=S2213-6711%2814%29X0012-3
Saturday, September 20, 2014
The Natives
When I wrote the last post a month ago, and never got around
to posting it, I sincerely believed the worst of the southern California summer
was over. Fortunately for me, I didn’t know what was coming – life is merciful
that way. It’s over now, but our heat wave was really too much. Today, we are
sitting outside after having our lunch in the shade, and perfectly comfortable.
What a blessing.
As you might imagine after the dismal previous post, I have
nothing to write about in my garden. I intend to sow some seeds soon, and hope
for a better Fall. But here are some interesting and unusual things I thought
you might enjoy.

California buckwheat (Eriogonum fasciculatum) is one of my
favorite native plants. Here it is in late summer, when the flowers, pink to
white in spring and early summer, have gone to seed and turned tumbleweeds
(Salsola tragus) are the most frequent. I will try distributing buckwheat seeds
there.

One of the most surprising joys of this summer was the
discovery of one very productive elderberry tree, way back in the hills. Claire, Lucy and I took a long route one morning on our walk, and discovered it just as its
fruits were frosted at the peak of ripeness. We must have collected 10 or 15
pounds over the next couple of weeks. We froze some (and discovered that the
fastest way to get them off the bush is to freeze the bunches whole, then knock
them off gently onto a cookie sheet while still frozen) and will be able to
have them on cereal through the winter. Their antioxidant and virus-
fighting
capacity is legendary – evidently they work better than tamiflu! To me, the
wonder of a fruitful bush/tree (this one is over 10 feet tall and the radius is
probably 15-20 feet) in a canyon that saw its last rainfall 3-4 months previous
is mind-boggling. My melancholy at missing our yearly weekend of visiting the
Miller farm and hiking Gap Mountain for blueberries with the Weigels was at
least partially eased by this discovery.I'll finish with one last uninvited guest, who left without us being able to make their acquaintance, but left behind the evidence of their visit (toes included for scale). Maybe it was a rat snake?
August and all is not well
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Not what I had in mind |
The temptation is there to say nothing when things aren’t going so well. But I didn’t commit to a blog about only the positive parts of a garden in a dry place. It’s mid-August, so perhaps we’re done with the worst of our first year, heat and desiccation-wise. That’s what I’m hoping. Here are the garden happenings through the past 3 months.
Our raised beds are languishing. Since early June it’s been
hard to keep anything moist enough to survive. Someone warned me of this when
we were building them. I thought tomatoes would be abundant and continue into
the fall here – but very early on the vines just died. We only got a few
Sungolds. Aunt Rose bemoans the fact that her sprinklers water the tomatoes
every day and thought mine would do so much better than hers since I water
deeply every few days. Part of the problem could also be that their roots can
only go about 2’ deep.
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Rabbits love pepper leaves! Who knew? |
The peppers that Heidi and I sowed in January had a bit of a
hard time because I didn’t get them into the beds until late June, I think. It
was already very hot and they never really took off, though I have always
watered them every day. I’m hoping that as temps cool they might catch on, at
least if they can keep some leaves on them!
Because the real blow to the peppers came in the form of
uninvited herbivores, well at least one. We had been so pleased that our
plentiful rabbits didn’t discover our garden – but that is no longer the case.
First he ate all the leaves off several peppers. One day he developed a
fondness for cilantro, and ate it all down to nubs, including the seeds that
had been drying for my curry. The sweet potatoes appear to win the battle one
week, then suddenly they’ll be nearly denuded.
We have had extensive discussions with our pellet
gun-wielding friends about our predicament. For now, I have chosen to fend them
off with fermented garlic-hot pepper spray a la Mike McGrath. But I don’t
always get it sprayed after watering, so I continue to feed the rabbits.
We had our first ripe fig last week! There are 3-5 more baby
ones coming. Friends brought us a bag
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citrus from above |
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apricot |
Two weeks ago Sunday, there was rain in the forecast. I
thought only the mountains would see it. There were flash flood warnings in the
morning, and by early afternoon we were watching it across the valley, great
white clouds completely obscuring the mountains. We heard real flash flood
warnings come through on the radio – you know, the ones that almost always end
in “this has been a test of the emergency broadcasting network…” We had been in
Forest Falls in misty fog on Saturday, and enjoyed the sprinkles. But we had no
idea what we were in for! Suddenly the first big drops arrived. We kept
watching from the patio. As it started to pour, I took my broom around and cleaned
the cement. Rain is such a welcome visitor! Within 10 minutes we had a raging
river rushing down our driveway. It snaked around the hairpin turn at the
bottom and was off
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Did a gopher eat my plum roots? |
roding a canyon into the neighbor’s hill! Quick, fill it with dirt and rocks! Our shrubs got a very good soaking, which they desperately needed!
We dashed back into the hills a few steps, marveling at the
channels cut out almost instantly and the mini-landslides we could watch coming
down from the steep places. It was really white water coming into the catch
basin! All told we got just over 2” in about 1.5 hours. Thankfully, things
worked well above the house. Since then, Wolfi has fixed the problems below, so
we’ll have to wait for the next test.
Back to the plum tree. It had looked fine all along – but 3
days after the storm, it suddenly wilted!
Now whatever could have happened? I
don’t know. Is something rotting? As far as I can tell it is really truly dead.
Saturday, May 3, 2014
It's Spring!
Yes, it’s been Spring for many weeks. I need to keep reminding myself of the fact since temps have often been above 100 this past week. But, better late than never! We are up to 7.4 inches of rain this season – including all of the storms since last November. Our last one, the end of April, yielded a very welcome 0.5”. Our hills have however not regained their green. We will be stuck with gold until next fall.

The winter months were very good to us in terms of greens! We had a constant supply of bok choy, napa, tatsoi, and the tuscan kale and chard are still producing abundantly. We enjoy green smoothies several times per week and never have a short supply. When Heidi visited in January, we got the bamboo into the ground, shopped for pots (and started the collection with the lovely yellow and green one the succulents live in now), ordered our avocado and Fuyu persimmon trees, and planted lots of seeds. She also planted the artichoke, another baby fan palm, and picked out the most wonderful shrub. The hummingbirds love its




We also went on a couple of plant-finding missions, working toward the goal of native gardening here. Some of what we brought home survived!

It was the middle of February when I suddenly noticed little shoots in the kale/brussel sprout bed – oh yeah, she planted little onion sets too! Totally forgot about that.


In March it became evident that the persimmon, fig, and pomegranate survived – they leafed out beautifully. The apricot was slower, and has almost no leaves on the branches, but from the trunk there are lots of new shoots, which are above the graft, so I am assuming it is OK too. The peach shows no signs of life, sadly.



To prepare to plant them, we needed to do a very counterintuitive chore: collect rocks! We went to the catch basin access road and got plenty, but it is funny to me that for years we made huge piles of rocks from our tiny garden in Boston, while here on our entire acre there is hardly a pebble to be found.

Sunday, January 19, 2014
An especially dry year


I have been wanting to go back to a very important event several weeks ago, just after Becki & Heidi left in fact. I got a mysterious package, and was instructed to make sure I was the one to open it.
Within a box and a padded envelope and a plastic bag and a ziplock was what looked like soil. On closer inspection, it was soil - but it was mostly worms!
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Lovely, no? |
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first salad harvest: 12/17/13 |
Tatsoi is one of my favorite Asian greens; it matured from seed in about the same time it took for radishes to grow. I wondered how ice-bred arugula would do, and until now it seems to like it just fine! Cilantro that we bought as a plant has done well, and lots of babies from seed are following.
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Tatsoi and cilantro |
On a recent hike up Mt. Baldy, I very much enjoyed the yucca growing there. They are numerous and perfectly round and symmetrical, with so many spikes that they make the coolest 3d effect as you walk or drive past. I haven't been a fan in the past, but these guys convinced me I'd like to try to grow a few here. They will be well out of the way - those spikes are SHARP!
I am forcing some paperwhites, which just means having them indoors (though watering is done outdoors, as seen here) so that they bloom
unseasonably early. Well, I have seen paperwhites blooming down the street since late December, so forcing loses much of its value here. In New England, seeing the stalks shooting up, and blooms in February or so, helps convince us that there is hope for winter to one day be over.

Our drought is really critical; you may have heard that our governor declared a drought emergency this week. The satellite images below are revealing: snowpack in the Sierras is so much less than a year ago. The more startling thing is that 2013 (the left photo) was the driest year on record until then. Sure would be great to get some rain.
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http://paloalto.patch.com/groups/politics-and-elections/p/satellite-photos-show-california-drought |
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