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Thread: Update on my sarracenia sowing experiment

  1. #1

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    Update on my sarracenia sowing experiment

    So I started a little experiment on sowing sarracenia seeds around mid March. And now I think it's time to see the result I got.
    Species: Sarracenia leucophylla
    Time seeds harvested: mid-late Feb.
    Group 1: No stratification, sowed on sphagnum moss and perlite mix, kept in sealed bag.
    Germination rate: 13/25, 52%.
    Timeline: first seed germinated 2 weeks after sowing, and it took about 1 month from 1st germination to 13th.


    Group 2: 10 days stratification, sowed on sphagnum moss, kept in sealed bag.
    Germination rate: 23/25, 92%
    Timeline: first germinated 2 weeks after sowing, and it took about 1 week from 1st germination to 23rd.


    Conclusion:
    1. Stratification definitely helps germination, at least in S.leucophylla;
    2. For S.leucophylla, 1 week stratification should be enough for a 90%+ germination rate;
    3. Unstratified seeds need way more time to germinate, be patient!

  2. #2
    nimbulan's Avatar
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    It surprises me that the unstratified seeds had that high of a germination rate, and that 10 days was enough for the stratified seeds. The usual recommendation is 4-6 weeks!

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    Greetings from the netherworld. curtisconners's Avatar
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    My thoughts exactly, nimbulan. I've never grown sarracenia from seed, but if I did I would have stratified them for the entire winter.
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    I was also surprised by the germination rate, but that's just what happened. And S.luecophylla is a special case that doesnt require a long stratification period, I've seen in other forum that their recommendation for this species stratification was 2wks.

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    nimbulan's Avatar
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    I've seen information stating that stratifying S. leucophylla for 6 weeks can reduce germination rates, but never a recommendation for a shorter period. I'll have to remember that for the future.

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    I always stratify for 4 weeks unless it's one of the northern purp forms (then it's 6); leucophylla has been noted as having that odd tendency to decrease germination success after about 4 weeks' time, but never heard of stratification of only a week being enough.
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    I should try this myself after this growing season.

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    I agree, will have to try. One week seems just way to short.
    Om nom nom

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