How To Clean Houseplant Leaves

Why is Cleaning Indoor Plants Important?

Dust, pests, and environmental pollutants can accumulate on the leaves, hindering photosynthesis and inviting unwanted infestations. Regular cleaning is the key to maintaining vibrant, healthy plants.

Here’s how to do it effectively. 

Contents

1. Reasons for Cleaning Houseplants

• Photosynthesis Efficiency

• Pest Management

• Aesthetic Benefits

2. Different Cleaning Methods for Your Houseplants

• Wiping

• Rinsing

3. Specific Houseplant Cleaning Techniques

• Shiny Leaves

• Sticky Residue

4. When to Clean Houseplants

• Routine Cleaning Schedule

• Environmental Factors to Consider

5. Special Considerations for Cleaning Sensitive Leaves

• What Types of Leaves Can and Can't Be Cleaned with a Cloth?
• Smooth, Broad Leaves
• Hairy Leaves
• Brittle or Thin Leaves
• How to Clean More Sensitive Leaves
• Misting
• Dusting with a Soft Brush

1. Reasons for Cleaning Houseplants 

One of the primary reasons to clean your houseplants is to remove dust that can accumulate on the leaves. Dust acts as a barrier, blocking sunlight and reducing the plant’s ability to carry out photosynthesis effectively (Thompson et al., 1984).

Clean leaves allow the plant to absorb more light, which is essential for its growth and vitality.

Cleaning also plays a crucial role in pest management. Dusty leaves are more susceptible to pest infestations, as pests and their eggs can easily hide and thrive in a dusty environment.

By regularly cleaning your plants, you reduce the risk of these infestations, helping to keep your indoor garden healthy.

Lastly, clean leaves simply look better. Dusty or sticky leaves can make even the healthiest plant appear dull and unkempt.

Regular cleaning enhances the overall aesthetics of your plants, making them a more vibrant and attractive feature in your home.

2. Different Cleaning Methods for Your Houseplants

There are several methods to clean your houseplants, depending on the type and size of the plant.

Wiping:

Larger plants with broad leaves can benefit from wiping. Use a damp cloth to gently wipe the surface of each leaf. For a more thorough clean, use Sowvital's Aqua Leaf Cleanser which is specifically designed to clean and nourish plant leaves without leaving any residues.

Rinsing:

Some plants benefit from a gentle rinse under lukewarm water. This method is particularly useful for plants with many small leaves or those that are difficult to wipe individually.

When rinsing, make sure to cover the soil with a plastic bag or other protective barrier to prevent over-saturation, which can lead to root rot.

3. Specific Houseplant Cleaning Techniques

Certain houseplants may require special cleaning techniques to keep them looking their best.

Shiny Leaves:

For plants with naturally glossy leaves, cleaning is especially important. Use Sowvital’s Aqua Leaf Cleanser that contains coconut oil to step up any shine.

Sticky Residue:

If your plant has sticky residues, such as honeydew from pests, clean the leaves using a diluted soap solution. Be sure to rinse the leaves well after cleaning to remove all soap traces.

4. When to Clean Houseplants

Routine cleaning should be done every 1-2 months to maintain the health and appearance of your houseplants. However, you may need to clean more frequently if your plants are exposed to high dust levels, smoke, or other pollutants.

Environmental Factors:

Adjust your cleaning routine based on the conditions of your home. Plants in high-dust areas or near kitchens and fireplaces may require more frequent cleaning to prevent dust and residue buildup.

5. Special Considerations for Cleaning Sensitive Leaves

Not all houseplants can be cleaned the same way. Some have delicate or uniquely structured leaves that require gentler methods.

Here's a guide to what types of leaves can and can't be cleaned with a cloth, and how to approach cleaning more sensitive foliage.

What Types of Leaves Can and Can't Be Cleaned with a Cloth?

• Smooth, Broad Leaves: Plants like Monstera or Fiddle Leaf Fig can be gently wiped with a damp cloth. Their large, smooth surfaces allow for easy cleaning without causing damage.

• Hairy Leaves: Plants like African Violets or certain types of ferns should not be cleaned with a cloth, as their fine hairs can trap moisture and encourage mould growth. 

• Brittle or Thin Leaves: Plants with delicate, papery leaves, such as certain types of palms or Calathea, are prone to tearing. 

How to Clean More Sensitive Leaves

For houseplants with delicate or fragile leaves, cleaning should be done with extra care. Instead of wiping, misting is often the safer option.

• Misting: Misting is ideal for plants with fine or sensitive leaves. It helps remove dust without the risk of damage, simply mist with water using a misting bottle to gently clean and nourish the sensitive leaves.

• Dusting with a Soft Brush: For especially fragile plants, a small, soft brush (like a paintbrush) can help dislodge dust without touching the surface of the leaves directly. This method works well for plants with intricate or hard-to-reach foliage.

By tailoring your cleaning approach to the needs of different plants, you'll ensure that even the most sensitive houseplants stay healthy and clean without risking damage.

References:

• Thompson, J. R., Mueller, P. W., Flückiger, W., & Rutter, A. J. (1984). The effect of dust on photosynthesis and its significance for roadside plants. Environmental Pollution Series A, Ecological and Biological, 34(2), 171–190.