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Q:
There is conflicting information all over the internet about regrowing carrots from tops. I know you can grow the greens, however, can you grow the actual root vegetable again? And if not, what is the scientific reason why not?
A:
Yes, you are correct that you can cut off the top of the carrot and regrow the leaves only. Once the taproot (carrot) is removed it cannot grow another.
When cut from the top, the growing point for the taproot is removed, however the growing tip for new leaves is not removed. The growing tip (meristem) that forms the leaves can also grow new adventitious roots (fibrous roots), but not a taproot.
You would need to allow the top to flower, go to seed, then plant the seeds in order to get another carrot with a taproot.
See photos on this science snacks page about how the vegetables can start growing again.
Related content
Vegetable Gardening in Oregon
Provides an introduction to vegetable gardening in Oregon. Discusses site selection and preparation, planting, and basic garden care. Includes production pointers and recommended varieties for many common garden vegetables. A sample garden layout is included.
James R. Baggett, Deborah Kean, Dan M. Sullivan, Alexandra Stone, James Myers |Jun 2023 |Extension Catalog publicationPeer reviewed (Orange level)
Want to learn more about this topic? Explore more resources from OSU Extension:Garden vegetables and herbs
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