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free_babystarted grow question 13d ago

I think i have nutrient lock out but don’t know how to fix it it, its 3th week of bloom and its an outside plant. Its getting colder 9 degrees C at night and around 20 at day. Its been raining a lot recently maybe that has something to do with it.

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Leaves. Edges burnt

Leaves. Color - Dark-purple

Leaves. Color - Dark-brown

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Organomananswered grow question 13d ago

Pic 4 shows a typical leaf that is growing outdoors with cold night temps...........it is not a deficiency issue, just an accumulation of pigments (anthocyanins), much the same as how leaves change colour in fall before they drop off the trees. Nutrient "lock-out" in the true sense, does not occur unless the soil pH is below 5.5 or over 7.5.

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Organomananswered grow question 13d ago

And yes, last pic show previous insect damge, either aphids or white flies.

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AsNoriuanswered grow question 13d ago

last photo reminds pests more. first few lack of phosphorus and/0r cold temps ( doubt cold fade could be so obvious so fast, especially while having days in 20+). my guess.

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John_Krameranswered grow question 13d ago

take it home or any warm place for the night or make a greenhouse with 18C min

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