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Questions About Hollyhocks

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  • Answered by
    Downtoearthdigs on
    June 21, 2017
    A.

    This could be due to insects, Thrips can infest the buds and strip them form the plants.

    Here is an article with more information.

    https://www.gardeningknowhow.com/plant-problems/pests/insects/controlling-thrips.htm

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  • Answered by
    Downtoearthdigs on
    July 4, 2017
    A.

    A few pests can cause this damage.

    Neem Oil is a great treatment for most sucking pests. Neem Oil is organic and safe for people, pets and Bees.

    Here are some links with more information.

    https://www.gardeningknowhow.com/plant-problems/pests/insects/skeletonized-plant-leaves.htm
    https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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  • Answered by
    Downtoearthdigs on
    July 13, 2017
    A.

    Hollyhocks can be biennial, meaning they bloom in their 2nd year after planting.
    These links will help you.

    https://www.gardeningknowhow.com/ornamental/flowers/hollyhock/tips-on-hollyhocks-growing-hollyhocks-successfully.htm
    https://www.gardeningknowhow.com/ornamental/flowers/hollyhock/winterizing-hollyhock-plants.htm

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  • Answered by
    Downtoearthdigs on
    July 21, 2017
    A.

    Tall plants often can be knocked down in storms from wind and heavy rain.
    Staking these plants will help.

    https://www.gardeningknowhow.com/ornamental/flowers/hollyhock/tips-on-hollyhocks-growing-hollyhocks-successfully.htm
    This article will help with rust fungus treatment and care.

    https://www.gardeningknowhow.com/ornamental/flowers/hollyhock/hollyhock-rust-in-gardens.htm

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  • Answered by
    MichiganDot on
    July 25, 2017
    A.

    I have one that has been blooming for over a month. It was a volunteer. Every time I've tried to grow hollyhock, the plants suffered from rust - a common problem - which lessened the vigor and the bloom time. I deadhead the plants, at least the stems I can reach, to keep it from self-sowing everywhere. This may encourage it to bloom longer.

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  • Answered by
    MichiganDot on
    July 27, 2017
    A.

    I read that hollyhocks are susceptible to phymatotrichum root rot, a fungal infection. Because it is also susceptible to powdery mildew and rust infections, it is very important to move hollyhocks around. If you have and first year plants in the area (they are biennial in my area), move them out of the infected soil. To be on the safe side, I would wash the soil off and look for evidence of disease before replanting. bummer

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