A study was done. If you use silver mulch with 30 percent shade cloth. You can extend growing season by month.

I used it last year in my EarthTainers. Doing the same again this year for 6 plants.

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Since my actual area of coverage is rather small, I would not expect to see a noticeable impact. The prime reason I am using it with my June 10 plant-outs is to avoid heating of the roots this time of year if I had used the traditional black much.

Raybo