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How to harden off Coleus???

Posted by seedmama 7 OK (My Page) on
Fri, Apr 27, 12 at 16:15

In the past I have seeded Coleus directly outdoors. By the time I have plants of size, it's almost time for frost. This year, I started them in my 288 cell flats under lights. All is going well. However, I'm not sure how to harden them off, since they are a shade plant. Do I tote them back and forth to the hot shade for a week, just for the wind exposure, or will they be okay if I plant them directly in the shade?

Follow-Up Postings:

RE: How to harden off Coleus???

I would put an oscillating fan on them. First just 5 minutes on low... building up to a 6 hour period with medium and high speeds tossed in.


RE: How to harden off Coleus???

  • Posted by maryl Z7 Okla. (My Page) on
    Sat, Apr 28, 12 at 8:58

Moni makes a good suggestion. Oklahoma wind can be brutal to tender seedlings. Also, Coleus is in the group I consider tropicals, so until it's been hardened off a bit I wouldn't leave it outdoors overnight until the night temperatures stay above 50....Maryl

RE: How to harden off Coleus???

Thanks ladies! I will follow your advice!


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