Mimosa Tree – Black Gum Spots

Q: My very old mimosa tree has black gum spots on the trunk.
A: It is a sad fact that mimosa trees, despite their beauty, are very susceptible to a specific disease: mimosa wilt. The fungus lives in the soil. It enters the tree through the roots and travels upward. Over a couple of year’s time, limbs turn yellow, wilt and die. Eventually, the whole tree is dead.
Late in the progress of the disease, the trunk will exude gum. That’s what you’re seeing on your trunk. There is nothing you can do about the disease. It only affects
mimosas, so you can plant any other tree you find attractive in that spot.
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Walter’s Bookshelf
Browse and purchase gardening books by Walter Reeves, plus select titles by other authors.
View books -
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name that plant
Post your puzzlers and help others with theirs.
Start Here
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January calendar
January is typically the coldest winter month. Still, you can accomplish such garden tasks as sharpening...
Get The Checklist
-
-
Popular topics
Soil Spring Summer Seed Winter Fall Flowers Weed Fertilizer Disease Shade Temperature Pine Pots Oak Mulch Pruning Watering Container Maple Compost Herbicide Birds Moisture Tomatoes Azalea Poison Pears Hydrangea Glyphosate Cherry Caterpillar Pests Roundup Irrigation Pre-Emergent Stone Pesticide Dogwood Peach Pine Straw Spider Greenhouse Magnolia Squash Beans Squirrels Poisonous Travel Lemon
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1
Hydrangeas – Pruning
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2
Stinkhorn mushroom – Identification and Control
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3
Pine and oak tree trunks can’t graft together
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4
Crabapple tree – Lifespan
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5
Centipede – General Notes
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1
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2
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3
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4
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5
Centipede – General Notes
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Walter’s Bookshelf
Browse and purchase gardening books by Walter Reeves, plus select titles by other authors.
View books -
-
January calendar
January is typically the coldest winter month. Still, you can accomplish such garden tasks as sharpening...
Get The Checklist
-
-
Popular topics
Soil Spring Summer Seed Winter Fall Flowers Weed Fertilizer Disease Shade Temperature Pine Pots Oak Mulch Pruning Watering Container Maple Compost Herbicide Birds Moisture Tomatoes Azalea Poison Pears Hydrangea Glyphosate Cherry Caterpillar Pests Roundup Irrigation Pre-Emergent Stone Pesticide Dogwood Peach Pine Straw Spider Greenhouse Magnolia Squash Beans Squirrels Poisonous Travel Lemon