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  • Answered by
    Alisma on
    March 30, 2017
    Certified Expert
    A.

    Most primrose varieties can grow outdoors in gardening zones 4 to 8, so if you live in one of those zones, then you can plant them outside. Also, see this article to ensure you have an appropriate spot for them in your garden:
    https://www.gardeningknowhow.com/ornamental/flowers/primrose/growing-primrose-primrose-plants-in-your-garden.htm

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  • Answered by
    Alisma on
    April 18, 2017
    Certified Expert
    A.

    Primrose is listed as a toxic plant for dogs by the ASPCA:
    https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/primrose

    Other sources say that the toxicity is usually mild. However, each animal reacts differently, so it's best to be careful.

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  • Answered by
    Downtoearthdigs on
    May 10, 2017
    A.

    You may be feeding them too much nitrogen; which will give you lots of green leaves and inhibit flowering.
    We recommend a light feeding of organic compost.

    You could do a soil test to determine what the soil contents is.

    Bone Meal can up your phosphorous levels and promote flowering.

    Here are some links with more information.

    https://www.gardeningknowhow.com/ornamental/flowers/primrose/growing-primrose-primrose-plants-in-your-garden.htm
    https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/fertilizer-numbers-npk.htm
    https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/bone-meal-fertilizer.htm

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  • Answered by
    nikki-phipps on
    August 7, 2017
    Certified Expert
    A.

    Full sun would not be a good location. A dappled sunlit area of a garden is best.

    Here is a link with more information: https://www.gardeningknowhow.com/ornamental/flowers/primrose/growing-primrose-primrose-plants-in-your-garden.htm

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  • Answered by
    MichiganDot on
    August 19, 2017
    A.

    Primula vialii (I like your vivaldi) blooms can be cut to the ground. However, it is a short-lived plant so some self-sowing is desirable.

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  • Answered by
    MichiganDot on
    August 31, 2017
    A.

    Try dividing the plants this fall. They may simply be crowded. Also, avoid using fertilizer. A layer of compost at their bases should be all they need.

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