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Questions About Lobelia Plants

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  • Answered by
    Heather on
    June 27, 2015
    Certified Expert
    A.

    Yes, it should be fine. The dead growth may have been from a lack of water since it's in a hanging basket. These require much more watering than your average potted plants or those in the ground as they are more prone to drying out. Just make sure to keep it well watered every day and twice daily in temps over 85 F.

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  • Answered by
    Downtoearthdigs on
    July 16, 2015
    A.

    Yes, any dead or unsightly growth can be trimmed away.

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  • Answered by
    Downtoearthdigs on
    July 26, 2015
    A.

    This could be a watering issues or fungus. If the soil is moist, allow it to dry some between waterings, but make sure that it doesn't become too dry, which can lead to browning. Generally, if it is too wet or receiving too much water, you will see yellowing in the leaves while browning is normally the opposite. This would mean that something could be restricting the roots from taking up any water or nutrients. Check near the roots to see if they or any stems are becoming mushy. Also try treating the plant with neem oil and see if this helps.

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  • Answered by
    Downtoearthdigs on
    July 27, 2015
    A.

    You may have had better luck transplanting into a pot to nurture through the transplant shock and the warm summer temperatures.

    Continue to water and wait and see is the best approach.

    https://www.gardeningknowhow.com/ornamental/flowers/cardinal-flower/growing-cardinal-flowers.htm

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  • Answered by
    Downtoearthdigs on
    August 1, 2015
    A.

    You can cut the plant back by about a third.

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  • Answered by
    shelley on
    August 2, 2015
    Certified Expert
    A.

    Here is an article that will help you which discusses why lobelia plants turn brown:

    https://www.gardeningknowhow.com/ornamental/flowers/lobelia/lobelia-plants-turn-brown.htm

    Happy gardening!

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  • Answered by
    SheilaSB on
    August 14, 2015
    A.

    You may be watering the plant so much that the stems are rotting and dying. I would suggest you trim out all the brown stems and give the plant a chance to dry out a bit. A plant needs water if the soil is dry one inch from the top surface of the soil. To test this, just stick a fingertip into the soil and see how it feels. If the soil feels moist, your plant probably will not need to be watered for three or four days. However, you may need to check an outdoor plant more often, depending on heat and amount of sun.

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