growing bulbs indoors #778324 - Ask Extension

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growing bulbs indoors #778324

Asked November 24, 2021, 11:52 AM EST

The information about growing bulbs indoors was very helpful. However, for cold treatment, it didn't mention watering. Should bulbs in pots be watered before they go into a cold treatment (the fridge, in my case)? Also, what about watering during the 12-13 weeks cold treatment? Do they need to be kept moist or does the plastic bag on top of the pot take care of that? That's all. Thanks!

Hennepin County Minnesota

Expert Response

Thanks for the question.

I assume you consulted the following:

https://extension.umn.edu/planting-and-growing-guides/growing-bulbs-indoors

At this particular site, it suggested that just after planting the bulbs that they be watered thoroughly. Then they can undergo a cold treatment (vernalization). It is important during this treatment the bulbs do not dry out. If you place the pot in a refrigerator the soil may dry out even with a plastic cover. The best way to monitor this is to periodically remove the plastic and put your finger into the soil down to a depth of an inch or so. If the soil feels damp, things are fine and the pot can be returned to the refrigerator. If the soil feels dry, then slightly water but not to any excess. The last thing you want to do is to create too wet of a situation as this could lead to rotting of the bulbs. Do not add any fertilizer during this vernalization.

Good luck!!

Steve Hedman Replied November 24, 2021, 12:38 PM EST

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