When I mulched Firefighter with horse manure and tomato branches (both high in potassium) - the bloom gets huge, up to 5 inches, and lasts 1 week in the vase in cool weather. The bush is tall, needs calcium to prevent cane borers.
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When I mulched Firefighter with horse manure and tomato branches (both high in potassium) - the bloom gets huge, up to 5 inches, and lasts 1 week in the vase in cool weather. The bush is tall, needs calcium to prevent cane borers.