
That 's the same stuff you find on your bathroom tiles or in parts of your house that have water damage.
In fact, it is most commonly found in the wild, where it breaks down decomposed matter and recycles it into the ecosystem.
You will often see the exact same type of mold growing in other parts of your yard, like a sidewalk or a tree.
You may have noticed that you can have rub it away with your finger and thumb and it 's gone.
In some cases, the mold can block, the effected plant may wilt more quickly than others. Too much mold on the leaves can block sunlight and weakened your plants, so it is good to remove it and keep it off.
You want those shrubs and ivy to look as good as they can.
Causes
Chertain insects leave behind a fluid called "honeydew" on the leaves of plants. This honeydew keeps the leaves wet and produces ideal conditions for mold.
Any plant that is favored by insects that leave behind honeydew can easily develop mold problems.
There are many seen as tiny black flies around your shrubs. These are a common type of insect that causes mold problems.
Prevention
The best way to keep mold off your shrubs and ivies is to keep the honeydew producing insect off of them.
Then, you must keep the insect away using some traditional method such as pesticides.
In addition to pesticides, there are a variety of organic sprays that can help keep the bugs. Horticultural oil is favored by organic farmers as an alternative to pesticides. You can find more information on horticultural oil here.
Spraying water on the leaves will help will make it easier to rub off the mold.
Some people may be affected by the chemicals in the soap.
With this little test, you can make sure that you do not damage your shrubs with the treatment.

