Red Terra Cotta Powder v. Wet Modeling Clay

Los Angeles Guerrilla GardeningFinally making some seedballs to practice what I preach at

Remembering that red terra cotta clay was the largest proportion of materials, I left an art supply place in a fool’s paradise with a heavy box of modeling clay, not the dry powder needed to make seedballs. D’oh!!!

Searching around the interwebs, I found others who have gone to art supply stores without finding red clay powder, including a person at the Guerrilla community message board.

That frustrated powder seeker received a useful answer about sources in the L.A. area from user “rolypoly” at Los Angeles Guerrilla Gardening with info from their Tips & Tricks page.

Perhaps I should’ve paid closer attention to the Heavy Petal seedball page.

” *Dry red clay: Yes, this is the stuff that potters use. Commonly it comes pre-mixed, which you don’t want. You want the dry powder so it can be easily mixed. I’ve tried using grey clay from a riverbank - it doesn’t work so well.”

If all you can find is wet terra cotta modeling clay, someone else on the web wrote that air drying (not kiln firing) and taking a cheese grater to it when dry will produce good powder. But do the grating outside in good ventilation.

The LAGG group lists a source for free organic compost and some ideas for which seeds to plant. Making seedballs is a method of planting that can be done indoors, then dried and thrown on the ground months later. But you don’t have to wait that long.

How To Make Seedballs video at YouTube.

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