Why is my dumb cane leaves turning brown?
Besides, why is my dieffenbachia leaves turning brown?
Leaves have brown tips — Brown tips on your dieffenbachia's leaves could be caused by uneven watering. Keep your watering practices a little more regular and never let your plant sit in water. Leaves are curled with brown edges — Curled, browning leaves could be caused by excessive fertilizer application.
Beside this, why is my dumb cane leaves turning yellow?
On the other hand, leaves that turn yellow and are smaller and closer together on the plant's stems indicate poor nutrition, particularly low nitrogen. When dumb cane wilts and turns yellow from the bottom up, it needs to be watered more regularly.
Yes, but leave just a little bit of brown on each leaf to avoid stressing the plant. If it's brown and dry, then cut the whole leaf, but not too far from the main branch so that it will grow a new leaf. If it still green but just the tip is brown, then use a sharp pair of scissors to just trim the edges.