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  • Is humidity a must have in greenhouse?

    Okay so I get small radiant heater with small Fan blow on it to circulate heat. Greenhouse stay about 80F but gauge say 20% humidity. How much more I need and how to make more?
    Zone 5 Chicago IL Wish list:
    1) Rest peacfully Amico Bello Buddy 👼🏼.
    2) This weeks ebay auctions.

  • #2
    Has your humidity guage be tested and if possible calibrated? It may be off. To find out how much it is off there are available calibration kits. You can google it.

    To increase humidity you can use a humidifier. These come in cool air or warm air models. Available every where Home Depot, Lowe's, Walmart, drug stores.

    A pan of water steaming on a small hotplate will increase humidity.

    Buckets of water or a waterfall will increase humidity.

    Jerry, Canyon Lake TX 8b

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    • #3
      Electricity bill go up,up,up lol

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      • #4
        Hello do the old school use a Hudson sprayer to mist your plants they will love and so will you!!!! That will increase humidity and help you plants, or a hand mist spray bottle, And if your like me your checking your plants a few times a day, but don't do it late so to give the plants time to dry off the leaves You don't want them wet at night and you well see a big differences in plant growth

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        • #5
          Ah! Is ok to mist trees while under lights?
          Zone 5 Chicago IL Wish list:
          1) Rest peacfully Amico Bello Buddy 👼🏼.
          2) This weeks ebay auctions.

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          • #6
            You don't necessarily need more humidity. If you develop problems then the easiest thing to do is buy a bunch of cheap towels, fold them in 4ths and set them out. You do have to wash them or they'll get moldy. You can also put pans of water out in all the hottest spots. I wouldn't leave any on heat, though because you may not be there when it dries up.

            You can spray plants under lights as long as you don't hit the lights with the spray.
            Bob C. KC, MO Zone 6a. Wanted: Martineca Rimada, Galicia Negra, Fioroni Ruvo, De La Reina - Pons, Tauro, BFF, Sefrawi, Sbayi, Mavra Sika , Fillaciano Bianco, Corynth, Souadi, Acciano Purple, LSU Tiger, LSU Red, Cajun Gold, BB-10 any great tasting fig

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            • #7
              Grazie! I put plastic shoebox with water between fan and heater. Maybe will help! Obvious safely spaced but seem to be work
              Zone 5 Chicago IL Wish list:
              1) Rest peacfully Amico Bello Buddy 👼🏼.
              2) This weeks ebay auctions.

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              • #8
                I would like a little more information on what you are trying to do. Are you storing fig plants in the green house to keep from killing the root system or are you trying to keep them growing and start rooting and growing new ones. And if you are growing what is you Avg temp maintain at in Chicago ??? Point one sounds like you are not running heat at 85 to 90 there for you won't have a lot of humidity at low temp.and by hand misting your plants with a misting bottle your are keeping your cuttings moist and feeding your leave buds and not watering the plant until roots form. I use a hudson because of my set up and in the spring and summer I have a water and misting system on a auto cycle which mist every 5 min and off ten Hope this helps Click image for larger version

Name:	Rooting with water Jars 007.JPG
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ID:	58360 these are two week old cuttings

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                • #9
                  I am growing fig over winter. I have about 60 cutting in cups rooting now and 6 potted fig. Is staying between 80-90F in greenhouse. So far I only watering potted trees. Just give maybe tablespoon water to cups every couple day with 10x1 water peroxide because I see small mold in cups. I have misting bottle so I can mist everything as well and no get light wet no problem. I just thought was supposed to be very humid as well but all my cuttings in cups have parafilm on them so is ok?
                  Zone 5 Chicago IL Wish list:
                  1) Rest peacfully Amico Bello Buddy 👼🏼.
                  2) This weeks ebay auctions.

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                  • #10
                    Just mist your plants and give that love they will do great and in my pic I have mine in alum trays that holds heat at the bottom for the roots the sun really keeps the roots growing

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