A Report from the 2014 Heirloom Expo in Santa Rosa

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If you like this blog you’d like the annual Heirloom Expo, which takes place in Santa Rosa in Northern California in September. I just got back from attending this year’s event and had a great time, as usual. I’ve attended every year since its inception in 2010.

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The Expo features mind boggling displays of what can only be called vegetable porn. Hint: if you hang around after the conclusion on Thursday evening you can score the display items. For two years in a row we’ve gone home with a rental car stuffed with heirloom watermelon and squash.

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But the real draw for me are the seminars and panel discussions. Above, some of the leading figures in the Northern California permaculture scene: Toby Hemenway, Penny Livingston, Erik Ohlsen, Grover Stock and John Valenzuela.

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There’s also a huge vendor hall. I have to keep a tight grip on my wallet.

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Santa Rosa was the home of horticulturalist Luther Burbank and the local chapter of the California Rare Fruit Growers is particularly fervent and knowledgeable. I used the opportunity to chat up a CRFG operative and get all my quince and pineapple guava questions answered.

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You’ll be hearing a number of Expo speakers on our podcast and I’ll do some blog posts inspired by what I learned. If you didn’t make it this year, I hope to meet some of you at next year’s event. I always stay at the nearby Spring Lake campground. Perhaps we can all camp together next year.

016 The Urban Bestiary with Lyanda Lynn Haupt

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On the sixteenth episode of the Root Simple Podcast we interview naturalist Lyanda Lynn Haupt, author of The Urban Bestiary, Crow Planet, Pilgrim on the Great Bird Continent and Rare Encounters with Ordinary Birds.

During the podcast Lyanda covers:

  • The effect of the drought on urban wildlife
  • Invasive species
  • How to get along with wildlife such as skunks, possums, raccoons and coytes
  • The problem with relocating animals (except rats!)
  • Moles and gophers
  • Seeing raccoons during the day
  • Root Simple’s CritterCam
  • Possums!
  • Preventative measures
  • How to encourage wild animals and increase diversity by planting native plants and trees

Lyanda also answers listener questions about hawks, coyotes, and feral cats.

Lyanda blogs at The Tangled Nest.

If you want to leave a question for the Root Simple Podcast please call (213) 537-2591 or send an email to [email protected]. You can subscribe to our podcast in the iTunes store and on Stitcher. The theme music is by Dr. Frankenstein. Additional music by Rho. A downloadable version of this podcast is here.

How many ladybugs can you find? The Lost Ladybug Project

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image courtesy of wikimedia commons

We linked to this project in our last link roundup, but I though it deserved its own post. The Lost Ladybug Project is a citizen science initiative out of Cornell University asking people all over North America to identify and report ladybugs they see in their area, so that these sightings can be mapped and collected in a database. Apparently some sketchy things are going on with our ladybug populations (as if the whole bee thing isn’t traumatic enough) and they’re trying to get a handle on it. From their website:

Across North America ladybug species composition is changing.  Over the past twenty years native ladybugs that were once very common have become extremely rare.  During this same time ladybugs from other parts of the world have greatly increased both their numbers and range. This is happening very quickly and we don’t know how, or why, or what impact it will have on ladybug diversity or the role that ladybugs play in keeping plant-feeding insect populations low.  We’re asking you to join us in finding out where all the ladybugs have gone so we can try to prevent more native species from becoming so rare.

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But still….ladybugs!!!  Check out their website. It looks like a fun thing to do, for both kids or grownups. Part of the fun is learning to tell the difference between the different types of ladybugs. There’s lots of educational resources for homeschoolers and teachers. And yes, there’s even an ap for it.

It might be a little late in the year for the best counting, but I’m going to go out in the garden and see what I can find.

015 Worm Composting and Skunks

Our worm bin.

Our worm bin.

On the fifteenth episode of the Root Simple Podcast Kelly and Erik discuss how our cleaning project is going, worm composting, the ongoing skunk menace in our garden and we review two books. Apologies for some clipping in the audio and the cat interruptions.

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During the worm composting segment we cover:

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What are we reading

Worms Eat My Garbage by Mary Appelhof.

Bread: A Global History By William Rubel.

Kelly mentions Werner Herzog’s Happy People: A Year in the Taiga.

If you want to leave a question for the Root Simple Podcast please call (213) 537-2591 or send an email to [email protected]. You can subscribe to our podcast in the iTunes store and on Stitcher. The theme music is by Dr. Frankenstein. Additional music by Rho. A downloadable version of this podcast is here.

Worm Compost Leachate, Good or Bad?

Image: Permaculturewiki.

Image: PermaWiki.

In the course of preparing for our worm composting demo last week Kelly and I came across a lot of conflicting information. One of the most contentious issues in worm composting is what to do with the liquid that comes off the worm bin, called leachate.

The controversy stems, in large part, from the debate over aerated compost tea (ACT) vs. non-aerated compost tea. Fans of ACT do not like the fact that worm bin leachate is anaerobic, which they believe encourages the growth of microorganisms unfavorable to plants. They like to point out that worm bin leachate is not ACT.

The ACT debate needs a much longer post, but I did find two peer reviewed studies showing the benefits of un-aerated worm compost leachate: “Vermicomposting Leachate (Worm Tea) as Liquid Fertilizer for Maize and “Vermicompost Leachate Alleviates Deficiency of Phosphorus and Potassium in Tomato Seedlings.” I also found several Extension Service publications touting the use of worm bin leachate.

There are some caveats, however. First, it needs to be diluted–at least 1:1 and maybe, according to some sources, as much as 1:10. And you should probably test it out on a few plants before applying it to your whole garden.

And, from a food safety perspective, I’d avoid applying it to leafy greens and lettuces. I’d also point out that if you have a lot of leachate it might mean that your worm bin has too much moisture in it.

What do you think? Have you used worm bin leachate successfully? What side of the aerated vs. non-aerated debate are you on?