Diffenbachia | Doing Amazing yet not so great

Discussion in 'Indoor and Greenhouse Plants' started by Oliver - HappyGrün, Sep 8, 2020.

  1. Oliver - HappyGrün

    Oliver - HappyGrün Member

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    Location:
    Vancouver, BC
    Hello Everyone,
    So I decided to become more active in this forum since we are a Vancouver business, and it is always great to meet and engage with fellow plant people. Who knows, maybe I will even make some friends in the process.

    My challenge today is about a 30+ year-old . We repotted the plant 6 months ago, in our hybrid platers. The plant is doing well and seems happier than ever before. It started to flower for the first time, and there are lots of new shoots at the bottom. However, today I noticed quite a few leaves, which turned yellow and drooping. Interestingly enough, it seems to be only one of the flowering stalks.

    I cut the flowers to give the plant more energy, added more water to the water reservoir, and misted the plant.

    Any other suggestions of what I can do?

    Thanks
    Oliver

    PS: We are looking to rent 2000 sq/ft greenhouse space in Vancouver, Richmond, or Burnaby.
     

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  2. Tom Hulse

    Tom Hulse Active Member 10 Years

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    Location:
    Marysville, WA USA
    Hello Oliver, I'm glad you will become more active in the forum. :)
    From what you say, it seems like this may be it's first hot summer in semi-hydro with Hydroton balls. Is that correct? Was it grown in soil in previous years? I have noticed a pattern where Hydroton can seem to support large plants just fine, for awhile, but when really tested by the hottest days of summer they can slowly start to lag behind, and refuse to support as many leaves, as they are just not able to maintain as good of a root system as they can in soil.
    Also, a plant that size requires a considerable amount of nutrients, and would have to get them all, including balanced micronutrients, from your fertilizer regime. Can I ask what you are using and how much/ how often?
     

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