Ask a Question forum→Fiddle Leaf indoor plant

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Pacific Gropve
LynninPacificGrove
May 11, 2020 6:12 PM CST
I have a 5' Fiddle Leaf plant I purchased from Costco last summer.
I brought it home and placed it into a larger pot with proper soil per instructions. It's thriving near a window with daily filtered sun.
I've noticed small black flies the dirt, and now in my house.
What do I do?
Name: Will Creed
NYC
Prof. plant consultant & educator
Image
WillC
May 12, 2020 9:47 AM CST
Welcome! The fungus gnat larvae were introduced with the soil you used when you repotted.

Because the larvae are concentrated in the upper portion of the soil, I suggest that you remove all the soil you added to the top of the original rootball so that the uppermost roots are just barely covered. That will remove some of the contaminated soil and allow oxygen to penetrate the root zone more readily.

Then wait until the top inch of remaining soil is dry before adding just enough water so that it dries out similarly again in a week. Experiment a bit to see just what the right amount of water is.

The flying adult gnats will die of "old age" after a week. Keeping the soil as dry as possible will deprive the larvae (future generations) of the moisture they need to survive.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care

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