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clc70_gw

potting mixes with slow release fertilizer

clc70
12 years ago

I just read an article in Fine Gardening (seed starting myths) that says potting mixes with slow release fertilizer in it can be harmful to seeds. I just checked my potting mix and sure enough it has fertilizer in it. Has anyone ever had a problem with slow release fertilizers in their mix or is everyone careful about purchasing potting mixes without it for winter sowing?

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