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General FAQ of Potting Mixes

What plants can Molly's Potting Mixes be used for?

Molly's soil-free potting mixes are specifically crafted for potted plants, preventing compaction after watering and greatly reducing the risk of overwatering and root rot, the leading causes of houseplant issues. They are guaranteed to be free of pe

Do I need to add anything to Molly's Potting Mixes?

This question requires a brief discussion about the differences between a 'potting mix' and 'fertilizer.'. A potting mix for indoor plants is a substrate or growing medium in which the plant is placed. It is generally not a source of nutrients for th

Do Molly’s Potting Mixes contain soil?

Molly’s Potting Mixes are completely soil-free, resist compaction after watering, and are guaranteed to be free of pests, harsh chemicals, and commercial fertilizers. Being soil-free, they also repel fungus gnats, which prefer to lay their eggs in so

How are Molly's Potting Mixes different from typical “Big-Box” retailer potting soils?

The main difference between Molly's Potting Mixes and traditional soil mixes sold at big-box retailers is in how each handles water drainage and general aeration. Traditional soil mixes tend to compact quickly when watered because they consist of ver

How do I use Molly's Potting Mixes?

To repot a plant in any of Molly's Potting Mixes follow the below instructions;. Carefully remove the plant from its current container and gently shake off any loose soil. Rinsing the root ball is optional unless the plant has a noticeable pest probl

What's the best way to water Molly's Potting Mixes?

Your watering schedule can remain the same with our mixes, but the risk of overwatering your plants will be significantly reduced. Molly's Potting Mixes are designed to drain quickly, as overwatering is more challenging to correct than underwatering,

What role do bacteria and fungi play in Molly's Potting Mixes?

Molly's Potting Mixes contain beneficial mycorrhizal fungi and bacteria. The mycorrhizal fungi act as an extension of the plant's root system and are more effective in nutrient and water absorption than the roots themselves! Beneficial bacteria colon

How often should I change Molly's Potting Mixes?

We recommend changing the mix once per year, typically when repotting the plant to accommodate new growth. The mix takes a long time to fully break down and can remain unchanged for longer if needed. When repotting or changing the mix, don't worry ab

How many plants can I pot with a bag of Molly's Potting Mix?

One 5 dry quart (5.5 liter) bag fills approximately ten to twelve 4" pots, or, six to eight 5" pots, or, four to six 6" pots.

Why does the bag weight of Molly’s Potting Mixes sometimes change?

Due to weather conditions, the moisture content of Molly’s Potting Mixes can vary throughout the year, affecting the product's weight. However, Molly’s Potting Mixes are always packed by volume, ensuring you receive the same amount of mix per bag reg

What is the white powder on some pieces of bark?

This is dolomite (calcium magnesium), added to the bark in the final stages of production. It is beneficial for your plant, so do not wash it off if you see it! In rare conditions, fungi may grow on the bark, either before shipping or if the product

Why do Molly's Potting Mixes occasionally have an odd smell?

Sometimes, due to varying moisture levels, Molly's Potting Mixes may develop a strange odor. This is usually the result of the microorganisms in the bag feeding on the organic ingredients. While this is a beneficial process, it can cause an unpleasan