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Boron defiency in windmill palm

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Hello,

Can any give me advice on how to treat a boron and potassium defiency in a windmill palm planted in a pot?

Fertilizer

Something with micronutrients specifically boron

TNTropics YouTube Channel- Articles 60+In-ground 7B palms - (Sabal) minor (15+, 3 dwarf),  brazoriensis (1) , 'Birmingham' (3), 'Louisiana' (4), palmetto (2),  tamaulipensis (1), (Trachycarpus) fortunei (15+), wagnerianus (2+),  Rhapidophyllum hystrix (7),  Blue Butia odorata (1), Chamaerops humilis (1) +Tons of tropical plants.  Recent Yearly Lows 4F, -6F, -1F, 12F, 11F, 18F, 16F, 3F, 3F, 6F, 3F, 1F, 16F, 17F, 6F, 8F

 

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  • Author

Thank you for your advice

I think that’s the same problem with my Sabal (blurry photo but the new leaves are smaller than the older ones)

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Favorite palms: Pindo/Jubaea/Mule variants, Large Sabals Climate: High humidity subtropical Lowest seen: 16F throughout the day Soil type: Heavy red southeastern clay

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