HOW do Easter Lillies "KNOW" when it's time to bloom?

  • rnch

    Posts: 11524

    Mar 31, 2013 6:00 PM GMT
    I've been watching the one I purchased last Monday slowly unfurl and open up it's previously closed-up-tight blossums today.




    icon_cool.gif
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    Mar 31, 2013 6:37 PM GMT
    A lot of plants bloom according to the ratio of light hours to dark hours in a day. That's why so many things start blooming this time of year, as the ratio breaks even and starts tipping toward long-day.

    But the ones you buy in the store have been "forced" in the greenhouse with artificial light and temperature cycles and carefully timed to open a few days after you take them home.
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    Mar 31, 2013 7:40 PM GMT
    gay
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    Mar 31, 2013 7:43 PM GMT
    MG is right.
    But, don't forget cold * has a lot to do with 'resetting' the life cycle of a plant.

    * a relative term
  • jo2hotbod

    Posts: 3603

    Mar 31, 2013 8:15 PM GMT
    The Easter bunny tells them when he stops off to hide the candy
  • monet

    Posts: 1093

    Mar 31, 2013 11:47 PM GMT
    mindgarden saidA lot of plants bloom according to the ratio of light hours to dark hours in a day. That's why so many things start blooming this time of year, as the ratio breaks even and starts tipping toward long-day.

    But the ones you buy in the store have been "forced" in the greenhouse with artificial light and temperature cycles and carefully timed to open a few days after you take them home.


    100% correct.

    Lots of flowering plants can be forced to bloom any time of the year this way but the amount of light and temperature have to be so precisely controlled that all but the most dedicated gardeners just leave it to the professional greenhouses.
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    Apr 01, 2013 12:15 AM GMT
    As others have said, the lilies have been forced by the growers. Most lilies bloom naturally in the summer, which would not coincide with easter. One can plant them in the garden after they bloom, and unless eaten by something will come again next year, but probably flower later in the year.
  • TroyAthlete

    Posts: 4269

    Apr 01, 2013 12:26 AM GMT
    Jesus.
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    Apr 01, 2013 12:58 AM GMT
    jo2hotbod saidThe Easter bunny tells them when he stops off to hide the candy

    ^^^ This! LOL
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    Apr 01, 2013 1:03 AM GMT
    Tangentially related tidbit:

    http://en.wikipedia.org/wiki/Bamboo
    ...In this species, all plants of the same stock flower at the same time, regardless of differences in geographic locations or climatic conditions, and then the bamboo dies. The lack of environmental impact on the time of flowering indicates the presence of some sort of “alarm clock” in each cell of the plant which signals the diversion of all energy to flower production and the cessation of vegetative growth...
  • FRE0

    Posts: 4865

    Apr 01, 2013 1:05 AM GMT
    Easter lillies have the liturgical calendar encoded into their genes.
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    Apr 01, 2013 2:30 AM GMT
    Claystation saidgay


    NO HOMO
  • camfer

    Posts: 892

    Apr 01, 2013 2:52 AM GMT
    mindgarden said...

    But the ones you buy in the store have been "forced" in the greenhouse with artificial light and temperature cycles and carefully timed to open a few days after you take them home.


    No need for artificial light on Easter lilies. You can do it all based on time and temperature. Easter is the Sunday after the full moon after spring equinox. Growers count back 24 weeks from there and "precool" the bulbs to get them all programmed to the same stage of development.

    Pretty much impossible for the home gardener to achieve, but here's how growers did it for 2013:

    http://www.netherlandbulb.com/index.cfm/fuseaction/home.showpage/pageID/126/index.htm
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    Apr 01, 2013 3:15 AM GMT
    mine opened another today and at night is when the smell is most powerful
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    Apr 01, 2013 6:58 AM GMT
    it blossomed 3 weeks before easter this time in iraq here
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    Apr 01, 2013 7:40 AM GMT
    I've learned something today.