I spread my barbecue ash around my raspberry canes just to feed them: by August, I understood what those yellow leaves with green veins really meant
That striking pattern of yellow leaves with green veins on your raspberry canes isn’t a nutrient deficiency—it’s alkaline soil poisoning from well-intentioned barbecue ash applications. Learn to identify iron chlorosis, understand why ash backfires on berry plants, and fix the problem before next August.