Ask the Plant Doctor! How to deal with aphids, yellow leaves and root overgrowth

Plant aphid-attracting plants like Nasturtiums and Mexican Butterfly Weed as decoys to lure aphids away from your plants. Photo: Anthony Rae/Unsplash

Email your questions to [e-mail] with "Plant Doctor" in the subject field. Questions may be edited for brevity and clarity.

Pothos plants can flourish in water, but their roots should not be constantly submerged. Photo: HandoutPothos plants can flourish in water, but their roots should not be constantly submerged. Remove the plant from the pot, and check for soft, mushy roots or a bad smell, which may indicate root rot. Plant overcrowding can worsen this issue.