What Is PON For Plants?

Are you curious to know what is pon for plants? You have come to the right place as I am going to tell you everything about pon for plants in a very simple explanation. Without further discussion let’s begin to know what is pon for plants?

In the realm of horticulture and plant cultivation, light stands as a fundamental factor influencing the growth and health of plants. Among the various metrics used to quantify light for plants, PON, or Photosynthetic Active Radiation, plays a pivotal role in understanding and optimizing conditions for plant photosynthesis and growth.

What Is PON For Plants?

PON, also referred to as PAR (Photosynthetically Active Radiation), represents the spectrum of light wavelengths crucial for photosynthesis in plants. It specifically includes wavelengths between 400 to 700 nanometers, encompassing the visible light spectrum essential for plant growth.

Importance Of PON For Plants

  • Photosynthesis: PON serves as the energy source for photosynthesis, the process by which plants convert light energy into chemical energy. This energy fuels the production of glucose and other essential compounds necessary for plant growth.
  • Plant Growth and Development: Adequate PON exposure influences plant morphology, flowering, fruiting, and overall plant health. Insufficient or excessive PON can impact plant growth patterns, leading to stunted growth, poor flowering, or reduced yield.
  • Optimizing Light Conditions: Understanding PON helps horticulturists and gardeners create optimal lighting environments for plants, whether indoors or outdoors, ensuring they receive the right amount and quality of light to thrive.

Measuring PON

PON is measured using a quantum light meter, which quantifies the intensity of photosynthetically active radiation hitting a specific area over time. The unit of measurement for PON is micromoles per square meter per second (μmol/m²/s).

Factors Influencing PON

  • Light Intensity: The intensity of PON affects the rate of photosynthesis and plant growth. Different plant species have varying light intensity requirements.
  • Light Duration: The duration of exposure to PON, along with the quality of light, influences plant development stages, such as flowering or vegetative growth.
  • Light Quality: While PON includes the visible light spectrum, plants respond differently to specific wavelengths within this spectrum, influencing their growth patterns and physiological processes.

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Practical Application Of PON

  • Indoor Gardening: PON measurements assist indoor gardeners in selecting appropriate artificial lighting sources (like grow lights) and positioning them at optimal distances to ensure plants receive adequate PON for healthy growth.
  • Greenhouse Cultivation: PON measurements help greenhouse growers optimize light distribution by adjusting the positioning and intensity of supplemental lighting to meet the specific needs of different plant species.


Photosynthetic Active Radiation (PON) stands as a vital metric in understanding and optimizing light conditions for plant growth. Its role in providing the necessary energy for photosynthesis influences plant development, productivity, and overall health. By leveraging PON measurements and understanding its implications, horticulturists and gardeners can create environments that nurture thriving, healthy plants, whether indoors or in cultivated spaces, ensuring optimal conditions for growth and yield.


How Do You Use PON For Plants?

Add a layer of PON to the bottom quarter or so of the pot. Rest the root ball on that layer then fill the remainder with PON, or if adding Myco for the roots, sprinkle a little Myco on the bottom PON layer, directly under where the root ball will go, before adding the plant and the filling with PON.

Is PON Good For All Plants?

LECHUZA-PON Advantages. LECHUZA-PON is a perfect fit for all plants (even orchids and citrus plants). LECHUZA-PON consists of high-quality, mineral stones that are free from contamination and pollutants. LECHUZA-PON has an ideal air / water ratio for plants (45% water/55% air).

How Do You Make Homemade PON?

PON mixture

  • 1 part Zeolite.
  • 1 part Lava Rock.
  • 1 part Pumice.
  • Slow Release Fertilizer. – 4″ pot: 1 to 1.5 tsp. – 6″ pot: 2 to 3 tsp. – 8″ pot: 4 to 5 tsp.

How Do I Transfer Plants To PON?

How to convert a plant to pon:

  • Step 1: Clean the roots! I will be converting this scindapsus pictus ‘jade satin’ commonly known as jade satin pothos to Lechuza PON. …
  • Step 2: Dry sift the pon (Optional step) …
  • Step 3: Choose pot. …
  • Step 3.5: Add plant and fill pot with pon. …
  • Step 4: Do not water for at least 1 week!

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