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Top Questions About Forsythia Bushes

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Questions About Forsythia Bushes

  • Answered by
    shelley on
    April 29, 2015
    Certified Expert
    A.

    Your forsythia may bloom later this spring - after a cold hard winter, plants are slow to come out of dormancy. It is possible, however, that the forsythia's delicate little buds didn't make it through the winter so in that case, there isn't much you can do.

    Here is an article outlining the reasons forsythias do not bloom. I would review it and see if anything resonates with you:
    https://www.gardeningknowhow.com/ornamental/shrubs/forsythia/forsythia-not-blooming.htm

    Barring that - is there anything else unusual about the plant - any abnormal growths or substances, signs of insects, discolored leaves, etc.?

    For more information on the care of forsythia, please visit the following link:
    https://www.gardeningknowhow.com/ornamental/shrubs/forsythia/forsythia-shrub-care.htm

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  • Answered by
    shelley on
    April 29, 2015
    Certified Expert
    A.

    With forsythias, you use a balanced fertilizer (10-10-10) once every two to three months in the spring and summer.

    For information on why forsythias won't bloom, visit the following link:
    https://www.gardeningknowhow.com/ornamental/shrubs/forsythia/forsythia-not-blooming.htm

    For information on the care of forsythias, please visit the following link:
    https://www.gardeningknowhow.com/ornamental/shrubs/forsythia/forsythia-shrub-care.htm

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  • Answered by
    Downtoearthdigs on
    June 12, 2015
    A.

    Inspect the shrub and leaves. Do you see any signs of insects or disease?
    I do suspect watering is more likely an issue. The shrubs are new plantings.
    Winter was incredibly hard on gardens across much of the United States this last winter. This could be adding to the stresses on the shrubs.
    It is not unusual for two plantings to grow differently.
    Forsythia likes to be watered and a good guideline is 2 " of water weekly.
    Here is a link about the care requirements.

    https://www.gardeningknowhow.com/ornamental/shrubs/forsythia/forsythia-shrub-care.htm

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  • Answered by
    Downtoearthdigs on
    July 13, 2015
    A.

    Forsythia shrubs normally bloom in early spring and is one of the first shrubs to flower. If yours is having difficulty flowering, it may be in need of a good pruning. Adding phosphorus, such as bone meal, to the soil can also help. For more info on pruning and flowering, these articles will help: https://www.gardeningknowhow.com/ornamental/shrubs/forsythia/forsythia-pruning.htm
    https://www.gardeningknowhow.com/ornamental/shrubs/forsythia/forsythia-not-blooming.htm

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  • Answered by
    Downtoearthdigs on
    August 21, 2015
    A.

    Forsythias are actually shrubs, only the "trees" have simply been trained or pruned into a tree form. So, yes, the pruning would be similar. As for sucker growth around the base, these can be safely removed any time without any harm. This is normally the tree's way of trying to revert back to its natural shrub-like form.

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  • Answered by
    Downtoearthdigs on
    August 31, 2015
    A.

    The fungus Phomopsis spp. causes growths, known as galls, to develop on the forsythia shrub, which can eventually weaken and kill branches. If you cut into the gall and do not see any hollow chambers or evidence of boring insects, then this is a good possibility of your problem. The best treatment is to prune out the galls (making cuts 3-4 inches below the gall) and dip your pruning tool in a 1:10 bleach/water solution between cuts so you don’t spread the disease. There is no cure for forsythia galls caused from the Phomopsis spp. fungus. All infected stems must be promptly pruned away and disposed of.

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  • Answered by
    Downtoearthdigs on
    September 29, 2015
    A.

    Here is a link that will help you.

    https://www.gardeningknowhow.com/ornamental/shrubs/forsythia/yellow-leaves-on-forsythia.htm

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