figsofcourse

Both potted and in-ground plants suffered a similar fate. I'll grab some pics and post shortly.

Our soil is ph 8+, tap water is hard, and in-ground plants were mulched 6" earlier this year. Many were watered on drip 2-3x per week, potted plants were hand watered usually 5-7 times per week.

Added bone meal, organic fertilizer, and fish emulsion to all the plants as per a soil lab's results for my neighbor down the street. Many of these bananas were younger, and I've been busy, so for the past 3 months it has just been the occasional coffee grounds dumped at the base of a few plants.

The two that I cut far back today were planted on the south side of the house, got a lot of sun but also a little rainwater. (South side because we freeze as well)

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Compost: Some plants got it at planting, others did not. Thick mulch layer. Did not rake away to add more after summer began.
Potting soil: Primarily Kelloggs patio plus.
Locations: Under a tree, south side of house, east side of a block fence. Potted and in-ground.
Shade: None getting full shade or all-day filtered shade. That will be my next attempt, with shade cloth.