Answer: rootrot

AnswerCrossword Clue
ROOTROT

Deciduous decay

ROOTROT

Tree problem

ROOTROT

Greenhouse problem

ROOTROT
Crop destroyer
ROOTROT
Overwatered plant's affliction
ROOTROTTree trauma
ROOTROTPlant plight
ROOTROTHorticultural problem caused by overwatering
ROOTROTPlant's bane
ROOTROTPlant disease
ROOTROTPlant ailment
ROOTROTPlant disease whose two words differ by only one letter
ROOTROTPlant malady caused by overwatering