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Originally Posted by WLeClair
Thanks for the input, Ginger. Question for you, from what I have read (including in Craig's book) the containers should be emptied and filled with new potting soil every year...sounds like a pretty big expense (not to mention work) every year. I have built in the last three years 5 raised beds (with another coming next month) for almost 200 sf of growing space...and quite a bit of money into it. Only one of them (of course the biggest one) is infested...and interestingly, but not surprisingly, it's the one I filled with bulk soil from a local landscaping place. I am wondering, if my current efforts don't pay off if I should just shovel out the soil, "decontaminate", and then fill with bagged soil I know is safe. What do you think?
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I don't know enough about raised beds to answer, but as to changing the pot soil every year, really, I don't know many besides Craig that actually do that. I solarizing my Earthboxes every summer, then right before the season starts, I remove the old used fertilizer strip, add more dolomite lime, new fertilizer, and top it off with fresh potting mix but it's about 6 years using the Earthboxes, I haven’t changed my soil once. Not in my 7 gallon pots either.