Why is there white stuff in my potting soil? Perlite used in soil resembles tiny white plastic foam balls, but it's actually a naturally occurring volcanic glass. When processed for use in potting soil, perlite is heated to 1,600 degrees Fahrenheit, so that it puffs like popcorn. The result is a white, lightweight material that modifies soil structure.
What is the purpose of perlite in potting soil?
While it does also help retain some water, perlite is primarily used to aerate compost. It excellent for creating a free-draining potting compost for plants that need good drainage, such as cacti and succulents. It can also help create an airy compost for seedlings.
How do you get rid of white mold on potting soil?
What does vermiculite do in potting soil?
Vermiculite added to the garden or vermiculite in potting soil increases water and nutrient retention and aerates the soil, resulting in healthier, more robust plants. Perlite may also be found in potting soils, but vermiculite is far superior for water retention.
Can potting soil go bad?
The answer to the question “does potting soil go bad”, is, potting soil does not go bad; however, like any other product it does lose its freshness, strength and effectiveness over time. And, if not stored properly, it can become completely spoiled.
Related guide for Why Is There White Stuff In My Potting Soil?
Why does my potted plant have mold?
Why are my indoor plants growing mold? Mold commonly develops on indoor plants due to adequate sunlight, over-watering, poor ventilation, or your plant's pot or container has inadequate drainage. Mold is often treatable in houseplants by removing the offending soil or cutting the affected plant parts off.
What does plant mold look like?
Identifying the mold
White Mold: appears as downy, fuzzy growth on the surface of the soil. May look cottony in nature. Sooty Mold: appears as black or dark green sooty looking patches on the base of the plant and on the soil surface.
How often should you replace potting soil?
Usually, you need to change soil in indoor plants as often as every 12 to 18 months. Exceptions make repotting, when you move the plant into a bigger pot because it no longer fits into its current pot, or when the soil becomes very hardened. You should not change soil in indoor plants more often than once a year.
When should I use vermiculite?
Vermiculite is best used for plants that require soil to stay damp and not dry out. For plants that love water, using vermiculite or mixing a healthy scoop of it into your potting soil is the way to go. It can absorb 3 to 4 times its volume when water is added, making your pots a little bit on the heavy side.
Is vermiculite good for indoor plants?
People usually use Vermiculite for their fruit and vegetable gardens, because these plants love moist soil all the time. Vermiculite is sterile, which means it won't change the pH levels of your soil. It's great for fruits and vegetables, but can also be used for your houseplants.