Hello, I'm having some trouble figuring out what's the issue for my plants, started with a northern highly blueberry shrub, every couple of days I get about four leaves turning brown just like in the image and they turn brown really quickly. (Takes about a day for half the leaf to go brown, down the midrib)
I've tried these in the past two months:
- keeping the plant leaves dry placed in a ventilated area just in case it was fungal.
- Reducing watering to only water when soil is try to avoid overwatering and underwatering.
- increasing amount of fertilizer slightly to ensure plant has sufficient nutrition
- Neem oil sprays to remove pests
Today, I found a similar leaf on my garden mint that's exhibiting the same brown patch on the tip of the leaf, worried it will start spreading.
Has anyone experienced something similar?
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