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Roots blocking drainage holes


Question
Hello Will,

My plants are going through a growth spurt, I guess because it's summertime. Every year I repot them into bigger pots in the spring except for this year because I was too busy. When I went to water the plants today strange no water flowed through the holes and it floated on the surface for a very long time so I looked at the bottom and saw the roots block the drainage holes. I read in another answer that it's okay to cut roots that grow through drainage holes but these roots aren't growing through, only blocking the holes. What should I do? Jamie

Answer
Hi Jamie,

It is very important that the drainage holes never get completely clogged. Pull the plants out of their pots and inspect the roots.

If the roots are wrapped around the outside and almost completely covering the soil, then it is time for larger pots. Loosen the outer roots with a fork before moving the plants into a pot one size larger. (Let me know of you need more information on proper repotting.)

If you want to keep them in the existing pots, then slice off the bottom inch of the rootball where most of the roots are massed. This will not damage the plant. Put in inch of soil at the bottom of the pot and put the plant back into it. That will take care of the drainage hole clogging.

Please let me know if any of this is unclear or if you have any additional questions. If you would like to e-mail me some photos, I may be able to provide some additional insights.

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Regards,
Will Creed, Interior Landscaper
Horticultural Help, NYC

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