Category Archives: Organic Gardening

Chard Gone Wild = Garden Omelet

When I got up this morning, everything was different. No water falling from the sky; no rain. From my bedroom window I could see the mountains over my neighbor’s roof.  No fog, no low clouds.

Downstairs, there was a weird brightness to the world. I had to squint to see, and when I looked up, I couldn’t see at all. What was–wait, I remember–it’s–it’s–it’s sunshine! Yes, the sun was shining. I would get into the garden today.

So I made an omelet for the Significant Other and myself. (If you cannot follow the reasoning here, go away.)

Omlette_ingredients_6

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A Lighter take on Heavy Metals

Given that my "Heavy Metals in Wood Ash" post appears to have gone over like a lead balloon (yuk, yuk), I thought I’d try a shorter version and see if that flies.

To start at the end: a fair amount of research has been done, all of it concluding that it is safe to use wood ashes in gardens in moderation. The ashes contain only trace amounts of heavy metals, and the metals do not move into whatever is grown in them. And yet, on-line question and answer gardening sites often do not mentioned this research or its conclusions.

That makes me mad. I expect people handing out advice to know their stuff. Silly me.

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Heavy Metals in Wood Ash–??

The Question

So I'm doing my research on soil amendments, (still for the same article) and I'm reading up on wood ash, and I see this: "they can also be a source of heavy metals that you don't necessarily want in your garden." Damn straight. But was it true? (If you just want the answer, go to the end of this post, Results, Conclusions, and Celebrations.)

That quote came from about.com's gardening site, and in this short article Marie Iannotti ended up taking the reasonable position that "a small amount of wood ash will add some nutrients and be beneficial to most soils," but that "Large amounts should be avoided."

Still–heavy metals? They're almost as scary as cancer these days. And since I've been using wood ashes for several years, I have a real investment in this. Also, I'm doing research, ya know, and when I do research, I mean, I DO it.

(One of my rules is to cite only government and university sources. Not that they're infallible–ha!–but since I'm trying to promote organic techniques, I figure I'll convince noone if I cite green organizations.)

In Search of an Answer

I dug around some. Fingers a-tremble, I typed "wood ash fertilizer" and fearfully scanned the results. One, a study by the Finnish Forest Research Institute, said that "Migration of heavy metals into plants is reduced when their solubility is reduced. Increased soil pH prevents metals from dissolving. Wood ash increases the pH value of soil, reducing acidity." Ash means higher pH which means fewer heavy metals in crops. Whew. Furthermore, they concluded that, in the particular soils they worked with, "wood ash does not accumulate metals in edible berries and mushrooms" even fifty years later. This was what they call a long-term study.

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Bowing to the Inevitable

All evidence to the contrary, I do have a garden.  

Circle_garden_2 This is what we generally call the Circle, I’m not sure why. (Actuallly, it looks sort of square here, which is weird.)

When we moved in seven years ago, there was a  circular hole in the cement of our patio. Herbs, I thought, since the Circle is about two steps from the French doors to the dining-room/kitchen area. Yes, and some perennials for color. Restock with annuals every year? Forget it.

The first time I took a shovel to this dirt, I just about gave up the plan to plant anything at all. It was almost solid, knit together with a mat of finely meshed roots. I dug through it all, mixed in plenty of compost, and set out the first plants. Well and good.

That fall, I decided to add more compost, and being still under the impression that all amendments must be dug in, I got out the shovel, set it to the dirt, and found–the same thing I’d encountered that spring.Circle_flowers1_2

This went on for a couple of years. (I’m a slow learner.) Then, I noticed that although some things never did well in the Circle, others thrived. C_white_anemone I could put pansies from the same box, on the same day, into the Circle and into the border by the lawn, no more than five feet away, and the former would languish while the latter would grow to the size of small bushes.

My little spring bulbs, however–snowdrops, grape hyacinth, miniature iris–did just fine, and I neverCliff_anemone_stem_2 heard a peep out of the delphinium. Anemone flourished, as did the tiny red-flowered native cliff anemone.And the herbs–oregano, sage, thyme–kept us supplied all year long.

Clearly, it was time to throw in the trowel. So I did. Anything that wanted to live there, I decided, would have to make it on its own. It would get no help from me. Since then, the only digging I’ve done there has been to make holes for new plants.Cliff_anemone_flr_cu_2

And how did you spend YOUR morning? (A Nightmare, revised)

I had good intentions.

Yes, and now you’re halfway down the road to hell.

I just wanted to check one thing!

That’s how it starts. And what was so important it couldn’t wait till after you’d worked on your article?

I just wanted to figure out which zany blogger had said she wanted to “pull a Thomas Pynchon,” or was it “do a Thomas Pynchon”? Anyone who used a phrase like that, I wanted to know better.

So, you sacrificed your work to your social life, did you? In fact, to the possibility of an on-line, a virtual relationship—You read her blog, she reads your blog–or not. Touching. And what would it mean, anyway, to—how did you put it?—to“pull a Thomas Pynchon?” Who is he, anyway?

He’s a famous writer—

I never heard of him.

Yes, well. Anyway, he’s also famous for being invisible. He not only never holds an interview, but he actually disappeared years ago. No one knows where he lives. So to “pull a Thomas Pynchon—“

Yes, I understand.

So it took a while, but I found who said it; it’s Jane Perrone, who writes the Horticultural blog, amongst other gardening stuff.

Do go on.

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