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Bloom Booster Fertilizer- Worth it?

This is a discussion on Bloom Booster Fertilizer- Worth it? within the General Orchid Culture forums, part of the Orchid Culture category; I have several spikes now and buds -yay! I have read about bloom booster ferts ...

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  1. #1
    Meg25's Avatar
    Meg25 is offline Junior Member
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    Question Bloom Booster Fertilizer- Worth it?

    I have several spikes now and buds -yay! I have read about bloom booster ferts to be used once spikes appear, and encourage growth with extra nutrients.( mostly phosphorus?)

    What are your experiences with using it? Most that are spike growing now bloomed last year, so I would have something to compare it to.
    Do you think that it is worth using? And, are there any times that you can't use it, like right as buds open or anything?

    Please share your experiences! Meg

  2. #2
    sadie's Avatar
    sadie is offline Senior Member
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    Hey Meg --perhaps I just missed it in your post, but what kind of orchids are you growing?

    I do use a bloom booster type fertilizer on my orchids just before and into their respective blooming seasons, and it does seem to help with bigger and more flowers. I haven't noticed a miraculous difference, however. Really if the plant is healthy you'll get nice flowers etc with a regular fertilizer. I'm sure for people who are more professional growers--shows etc etc that the slight difference is noticeable but for the average hobby grower, it's just a nice little bonus.

    Bottom line: I'd say that as a general rule, it probably isn't necessary for most orchids, particularly if you are using a good regular fertilizer. The bloom boosters primarily provide higher phosphate levels. If you look at your fertilizer bottle, somewhere it will have three numbers. Regular fertilizer is fairly balanced for example 7-7-7 -- that means 7% Nitrogen, 7% Phosphate and 7% Potash. There will be other elements too, but those are the big three. A bloom booster will be more like 3-12-6 -- lower nitrogen and potash with higher relative phosphate.

  3. #3
    Meg25's Avatar
    Meg25 is offline Junior Member
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    The majority of mine are catts, paphs, dens and a few phrags and onc.'s I know not to give much of any fert to the phrags, but the blooming season approaches for the others, many have no spike yet though. I am hoping that using it will trigger sheaths and spikes.
    What I am unsure of is- does it trigger spikes to form, or does it give the plant nutrients to make already existing buds larger?

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