Soil for growing western red cedar?

Caleb Mueller
11 days ago

Hello, I am growing western red cedar saplings (from seeds) indoors under a grow light, but they are not doing well and growing much slower than they should be. I used PROMIX premium potting mix soil exclusively cause I wasn't sure what else to use. Does anyone here know what is the best soil I can buy for growing western red cedar (Thuja Plicata)?

Here is a picture of my biggest sapling so far (70 days old). It is 31mm tall.

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