Geranium Pests and Diseases
Researching Geranium Pests and Diseases can help your garden.
The wild geranium (genus Geranium) is great for cottage gardens and grows wild in the US while the common geranium (genus Pelargonium) is more suited for planting in formal gardens and containers.
Like other plants, Geranium pests and disease can cause your plants to wilt, turn yellow and lose their oomph. If you notice that your geraniums are failing
the list following might help you narrow it down.
Geranium Disease
Geraniums are hardy, but like any plant can be susceptible to disease. Some common disease are Black Leg where the stem becomes blackened and the leaves fall off, Leaf Spot where leaves become spotted and drop off, Gray Mold where the plant has gray moldy spots, Rust where the plant gets rusty looking spots and leaves turn yellow and drop off, Root Knot nematodes -swelled roots and stunted growth and Dropsy which produces lesions on the plants.
To combat most disease, remove all leaves that are infected, make sure you do not take cuttings from any plant with disease. When watering make sure you do not splash the leaves.
Geranium Pests
Caterpillars - some caterpillars like to much on geraniums (perhaps they have heard of it’s medicinal properties?). These can be controlled with sprays.
Aphids - try controlling aphids with ladybugs or a special spray.
Whitefly - usually starts in the greenhouse but can spread to the garden on infested plants. Small white flys and black sooty goop can be seen on the leaves which will fall off after turning yellow. Can be controlled with sprays.
Mites - Causes leaves to curl and drop off – control with sprays.
Termites - Subterranean termites tunnel through the stems of geraniums causing them to turn yellow and die. Treat the soil with the appropriate termite treatment. Don’t let them get to your house!
Slugs - slugs love gardens but they also love beer. Leave a saucer out and you will catch more than your fair share of slugs!
More On Geraniums:
Healing Properties Of Geraniums
Explore the medicinal uses of this plant from healing skin to repelling insects to relieveing symptoms of PMS.
Geranium Care
How to plant and care for your Geraniums.
Geranium Pests And Disease
What's making your plant turn yellow? Find out what it could be and how to treat it.
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