Using plants to improve air quality in large commercial buildings

Air quality has become a central concern for large commercial buildings, particularly as organizations focus on employee health, comfort, and long-term workplace performance. While HVAC systems, filtration, and ventilation strategies do most of the heavy lifting, indoor plants can play a supportive role in improving perceived and micro-scale air quality across offices, lobbies, and shared spaces.

For facilities managers and workplace strategists, the practical question is not just whether plants can help air quality, but **which plants are most suitable for large commercial buildings** and how they should be deployed. This guide offers a corporate-focused breakdown of air-purifying plants, their mechanisms, and best practices for integration at scale

1. How Plants Support Indoor Air Quality in Commercial Buildings

2. Key Characteristics of Air-Purifying Plants for Corporate Use

3. Recommended Plant Categories That Improve Indoor Air Quality

4. Example Plant Species Commonly Used in Large Commercial Interiors

5. How to Deploy Air-Improving Plants Effectively in Large Buildings

   1. When to Involve a Professional Interior Plant Provider

How Plants Support Indoor Air Quality in Commercial Buildings

Plants interact with indoor air primarily in three ways:

• Gas Exchange  

Through photosynthesis and respiration, plants absorb carbon dioxide and release oxygen, supporting fresher air in microzones.

• Particulate Interaction

 Plant leaves and surrounding soil can help trap dust and fine particulates, which are later removed during cleaning or maintenance.

• Humidity Stabilization

 Transpiration from leaves slightly increases humidity, which can reduce dryness-related irritation and support more comfortable breathing conditions.

Plants  function as a complementary layer in a broader indoor environmental quality strategy.

Key Characteristics of Air-Purifying Plants for Corporate Use

Not all plants are equal in their ability to support better indoor air conditions—especially in large commercial environments with complex layouts and strict operational requirements.

Ideal plants for air quality improvement in corporate settings typically have:

• Broad Leaf Surface Area

Larger leaves provide more surface for gas exchange and particulate interaction.

• Dense Foliage Structure

 Plants with full, bushy growth create more coverage in a smaller footprint.

• Stable Growth in Low to Medium Light

Most commercial interiors rely on artificial lighting or indirect daylight.

• Moderate Transpiration Rates

Plants that transpire steadily help stabilize humidity without oversaturating microzones.

• Low Allergen and Fragrance Potential

Species should be selected to minimize scent, pollen, or irritant output in shared spaces.

• Robustness in Controlled Environments  

Plants need to perform well under air conditioning, variable humidity, and occasional airflow fluctuations.

Recommended Plants That Improve Indoor Air Quality 

In large commercial buildings, plant programs should be designed around categories of plants rather than individual species alone.

Key categories include:

• Large Floor Plants  

These provide substantial foliage area and are ideal for lobbies, atriums, and circulation nodes. They help define space while contributing to perceived air freshness.

• Medium-Sized Clustered Plants

Groups of mid-size plants can be deployed in open-plan offices, collaboration areas, and break rooms to create concentrated zones of greenery.

• Tabletop and Desk-Level Plants

Individual workstation plants provide localized biophilic benefits and micro-scale air interaction near employees.

• Green Walls and Vertical Systems

Living walls offer significant leaf area per square foot and can play a role in perceived air quality improvement, particularly in high-traffic zones.

• Planter-Integrated Partitions

Built-in planters along partitions, railings, or furniture elements add continuous greenery across circulation paths and shared spaces.

Using a mix of these across the building yields more consistent coverage and impact.

Example Plant Species Commonly Used in Large Commercial Interiors

The following species (and genera) are commonly used in corporate environments because of their resilience, foliage density, and suitability for large buildings. These are examples rather than an exhaustive list; selection should always consider local climate, light levels, and maintenance capacity.

• Aglaonema (Chinese Evergreen)

Broad leaves, good performance in low light, and strong tolerance for commercial conditions.

• Dracaena Varieties  

Upright form, diverse foliage options, and suitability for both floor planters and container groupings.

• Sansevieria (Snake Plant)

Highly tolerant of low light and inconsistent watering; effective in tight spaces and corridors.

• Philodendron (including climbing and self-heading forms)  

Large leaves and strong biophilic impact; suitable for planters, dividers, and feature arrangements.

• Monstera Deliciosa and Related Species  

Large, fenestrated leaves create strong visual and biophilic presence in lobbies and collaborative spaces.

• Ficus Species (when conditions allow)

Can be effective in higher-light areas, especially as larger format trees.

• Zamioculcas zamiifolia (ZZ Plant)

 Durable and tolerant of lower light; ideal for secondary spaces and offices.

• Palms (e.g., Kentia, Rhapis)  

Where light is sufficient, palms provide vertical softness and substantial leaf area.

• Ferns (in appropriate microclimates)  

Support humidity and visual softness, particularly in break rooms or lounges.

Species selection should be paired with the building’s mechanical systems, cleaning protocols, and aesthetic direction.

How to Deploy Air-Improving Plants Effectively in Large Buildings

For large commercial properties, success is less about individual plant choices and more about **strategic deployment**.

Recommended strategies include:

• Zone-Based Planting Plans

Design plant layouts that support key zones: reception, open-plan areas, collaboration points, corridors, and amenity spaces.

• Density Planning

Higher plant density in areas with frequent occupation (e.g., open work areas, meeting zones) increases perceived air quality benefits.

• Vertical and Horizontal Distribution  

Combine floor plants, tabletop plants, and vertical green elements to maximize foliage coverage without obstructing movement or fire egress.

• Integration with Existing Systems

Ensure plant placement respects HVAC diffusers, return vents, and sensors, and does not interfere with airflow balancing.

• Maintenance Access Routing

Design layouts that allow plant technicians to service installations without disrupting daily operations.

• Multi-Floor Consistency

Standardized plant palettes and density guidelines ensure that air quality benefits are experienced across all key floors and departments.

When to Involve a Professional Interior Plant Provider

A professional interior plant provider can help:

• Assess current building conditions (light, airflow, humidity)  

• Recommend suitable air-improving plant species and container systems  

• Develop zone-based planting plans for large commercial interiors  

• Coordinate with facilities and design teams during implementation  

• Provide ongoing maintenance to keep plants healthy and effective over time

In large commercial buildings, a structured, professionally managed plant program is the most reliable way to leverage plants as part of a broader indoor air quality and workplace wellness strategy.