The Gardener's Rake

Shamrock Plant Disease

Shamrock plants are beautiful delicate plants that are a favorite of many people.

Shamrock Plant Flowers
Creative Commons License photo credit: audreyjm529 Overall, if given a rest period during the year and watered and fertilized properly the Shamrock will live for many years. If you notice your plant looks a little weak or seems to be suffering there are two plant diseases that affect the shamrock plant.

Shamrock Plant Disease

Fungal Rust can be diagnosed when you notice an obvious orange color on the underside of the leaves. Treatment: I remove the plant from the pot and clean the pot thoroughly. If you feel the plant needs repotted this it the time to do so.

Before placing the plant back in its pot wash the plant carefully with a mix of neem oil. Neem oil is not one of the toxic chemicals that many people use so I feel its safe to use and its good for several other forms of plant diseases too.

After placing the plant back in the pot remove the top layer of soil and replace with fresh soil. Water the plant lightly with a chamomile tea mix. If your plant has really suffered you may want to take extra measures. This site has information on common plant disease

Spider Mites are a common problem on the shamrock plant.  These insect parasites are small mites that are almost not visible. They produce a little white webbing that is sticky. They seem to choose to hide and live under leaves and in the joints of stems.

You need to remedy the problem as quickly as possible or they will spread. A spider mite sucks the juice out of the plant and weakens it. If left untreated the plant will slowly die.

If you suspect mites, there are two treatments.  A home remedy of water a few drops of dish soap and a touch of garlic will stop the mites. If the mites are quite large touching them with Sea Breeze that is placed on a Q-tip will kill the bug.

You can treat the plant with Bayer Advanced Tree and Shrub Insecticide.  Mix this product with water as directed and pour on the soil around the base of the plant.  It will kill the bugs within a week or so.  The plus to this product is that it provides protection from reinfestation for up to a year.

Note: Make sure you remove any old or infected soil from the top of the pot.

For more information on this plant check Shamrock Plant Care and The Shamrock Plant

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Denise

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Comments

6 responses to “Shamrock Plant Disease”

  1. Beth

    hi – I have a shamrock plant which is suffering from some type of ailment. There are white spots on the leaves which almost look like really dry. The number of white spots varies on each leaf from one to a lot.

    Thanks for your help.

  2. David

    Hi! My name is David. Great post on remedies for Shamrock growing. My sister has a huge garden and has been battling problems with fungus growing on her plants for a while. I’ll suggest she use Neem oil. I’m wondering what percentage dilution is recommended for best results. Anyways, thanks, David 🙂
    .-= David´s last blog ..Neem Toothpaste =-.

  3. Denise

    Neem oil does have many valuable uses. Its in my stash of gardening supplies. Denise

  4. Lynn Barrett

    I’ve raised shamrocks for many years and would like to send you a photo of my plants, both potted and in a bed. This fall a yellow powdery pollen-like fungus (I think) invaded the shamrocks. I’ve cut them back for the winter, but wonder if I need to treat the flower bed before “bedding” it down for the winter. Am removing the shamrock roots from the pots and will store them until late next spring. Will also get new pots.

    How shall I treat the flower bed?

    Thanks for this site.

  5. Denise

    If it were my bed, I would remove the plants and take out a good deal of the soil. Your soil has been affected and it may take a bit to get any disease out of the soil.

    I would remove the plants, take out six inches of infected soil and put in new soil. I would also use a cider vinegar and water spray on the soil and let it set.

    Also clean the plants bulbs you removed from the pots with a liquid soap mix and warm water. Clean the pots with vinegar and hot water and let dry. Denise

  6. Denise

    These wreaths are really easy to make and by adding a few items you can change the look easily and to fit in several seasons. Denise

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