Can anyone help identify what’s going on with this bush?
Just moved into a house in southern Ohio and this bush in the back yard is COVERED in this white mold(?). It comes off powdery, but it’s attracting Baldfaced Hornets and wasps like crazy.
Not sure entirely but could probably be easily treated with neem oil.
thissayssomething
Looks like you’ve got damage to emerging leaves by some sort of sap-sucking insect, and then the dark stuff is sooty mold which happens from all the “honeydew” (poop) on the leaves.
Not uncommon with pests like aphids or scale
petal14
Magnolia scale. Or at least some type of scale.
Scales can be treated with a horticultural oil to suffocate them.
The black stuff is called sooty mold which is a secondary issue that you don’t treat. It’s a fungus that grows on the excrement of the scale insect. It’s sweet and can attract many insects like bees and wasps.
At any rate, treat the scale. Your local extension service probably has more info for you.
abbercats
definitely looks like magnolia scale. That shrub looks like a magnolia, those buds look very fuzzy, so it makes sense. Scale sucks the nutrients and moisture from the tree and makes honeydew, which attracts bugs that like sweet things, and also causes the sooty mold on the leaves.
reeallycool
Thank y’all for the responses – definitely looks like Magnolia Scale!
reeallycool
Thank y’all for the responses – definitely looks like Magnolia Scale!
reeallycool
Thank y’all for the responses – definitely looks like Magnolia Scale!
skeezix_ofcourse
Have a look in a garden centre for powdered copper oxychloride.
Mix in water to suggested concentration for ornamentals & add a couple of drops of dishwashing detergent to every 250ml you mix.
Cover the plant top to bottom as the suns going down on a day when you don’t anticipate any rain for the next three.
Spray like this on alternating weeks until it clears up.
Once the soot it gone you can protect your plants using home made white oil. 2:1 ( any oil, sunflower, grapeseed, canola etc ) to dishwashing detergent.
Blend in a bottle that you store in a cool -25°C environment & shake vigorously each time before diluting it into your spray bottle to ensure it emulsifies properly.
Good rule of thumb is to feed one week & protect the next all year round.
8 Comments
Not sure entirely but could probably be easily treated with neem oil.
Looks like you’ve got damage to emerging leaves by some sort of sap-sucking insect, and then the dark stuff is sooty mold which happens from all the “honeydew” (poop) on the leaves.
Not uncommon with pests like aphids or scale
Magnolia scale. Or at least some type of scale.
Scales can be treated with a horticultural oil to suffocate them.
The black stuff is called sooty mold which is a secondary issue that you don’t treat. It’s a fungus that grows on the excrement of the scale insect. It’s sweet and can attract many insects like bees and wasps.
At any rate, treat the scale. Your local extension service probably has more info for you.
definitely looks like magnolia scale. That shrub looks like a magnolia, those buds look very fuzzy, so it makes sense. Scale sucks the nutrients and moisture from the tree and makes honeydew, which attracts bugs that like sweet things, and also causes the sooty mold on the leaves.
Thank y’all for the responses – definitely looks like Magnolia Scale!
Thank y’all for the responses – definitely looks like Magnolia Scale!
Thank y’all for the responses – definitely looks like Magnolia Scale!
Have a look in a garden centre for powdered copper oxychloride.
Mix in water to suggested concentration for ornamentals & add a couple of drops of dishwashing detergent to every 250ml you mix.
Cover the plant top to bottom as the suns going down on a day when you don’t anticipate any rain for the next three.
Spray like this on alternating weeks until it clears up.
Once the soot it gone you can protect your plants using home made white oil. 2:1 ( any oil, sunflower, grapeseed, canola etc ) to dishwashing detergent.
Blend in a bottle that you store in a cool -25°C environment & shake vigorously each time before diluting it into your spray bottle to ensure it emulsifies properly.
Good rule of thumb is to feed one week & protect the next all year round.