Overwintering 2 gallon Blueberry plants

ski_d_bump(5)June 28, 2011

I have 200 potted blueberry plants ranging in size from 1.5 yr olds at 8" to some 3' tall wooded plants.I want to keep them in greenhouse with a winter cover over the winter for resale next spring.I was told just to leave in pots outside and they would be fine but have found little info on exactly what to do.

Any info would be greatly Appreciated

Thanks

Pat

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blueboy1977(TX9A/B)

I would think that a green house would be the way to go. A cheap one out of pvc and plastic.

    Bookmark   June 29, 2011 at 1:51AM
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riverman1

If they are northern highbush varieties my guess is they would be ok if the winter is not too severe. My potted plants, all northern highbush have made it through 3 winters successfully and we hit zero several times last winter. . If you are still concerned, have several loads of sawdust brought in and bury the pots after they go dormant.

RM

    Bookmark   June 29, 2011 at 2:01PM
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Noogy(6 sw mi)

My blue crops and elliotts overwintered fine in their wind protected site, with great snowcover. I'd be concerned with high winds and exposed pots below zero. Yes, I need a greenhouse, just in case.

    Bookmark   June 30, 2011 at 8:21AM
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destin_gardener(8-B/9-A)

Even "southern high bush" blueberries can take quite a bit of freezing temps, (some botanist are classifying blueberries into 2 types, lowbush, (exclusively a couple of northern species) and highbush. And like apples, some require more chill hours than others, but are the same species, (Vaccinium cyanococcus or Vaccinium corymbosum; Since these plants will readily cross pollinate, it will take a geneticist to really tell us what is what).

Therefore, I would not worry too much about them being able to over winter, just remember that just because the plant isn't actively growing doesn't mean that it doesn't require adequate watering.

    Bookmark   June 30, 2011 at 8:58PM
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luke_oh(zone 5 NE Ohio)

I over wintered about 40 2 yr. old plants in pots, outdoors in NE Ohio last year, with no problem. I know of a garden center that keeps their potted blueberry plants in a greenhouse over winter. The owner/manager said that they have to water about the 1st of the year and had trouble with mice getting in the greenhouse and nibbleing on the plants. I'd maybe do as Riverman suggested and cover the pots with mulch, leaves, sawdust or something to help insulate.

    Bookmark   June 30, 2011 at 9:18PM
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