Univ. of Md. Extension has received several reports from garden mum growers that their plants have really filled out, but warm temperatures have had an impact on flowering and they are not opening normally.
Extension personnel have also advised growers who applied control release fertilizers that recent warm temperatures may have resulted in the release of a high rate of nutrients in a short period of time. Growers should check soluble salts levels to avoid root injury. If the salts level is low, supplemental feeding may be necessary to ensure plants have sufficient nutrients.
Pictured: Maryland growers are seeing flowering delay on some of their large garden mums due to recent warm temperatures.
Photo courtesy of Univ. of Md.
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