Radishes – Not Growing Bulbs

Q: A friend of mine has radishes that are not forming bulbs, only straight roots. He is planting them like he’s always done. Any ideas?

A: The most likely reasons are too much fertilizer or too much shade. My bet is on the former. Nitrogen (the first number on a fertilizer bag) promotes leaf growth at the expense of root growth. Advise your friend to plant radishes again in March but to avoid fertilizing at all.

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