Which Light Spectrum is Best for Plant Growth


Buying the spectrum light for you indoor plants and overall well being is not enough when you don’t know which spectrum lights best from plant growth

Having plants at home means you have to take care of them and if your plants are not getting enough light you might have seen the obvious signs such as yellowish dying leaves, smaller size and new pests and plant diseases.

However, there are a few more signs that tell you about poor plant condition such as leggy growth and the loss of variegation in variegation plants. Therefore, when you notice your plants are getting droopy in a certain season while good in the spring season, the most common reason can be poor lightning and exposure to the sunlight.

If you are situated in an area where the sunlight is weaker, adding reasonable light during the winter time can revive the plant’s growth for sure. 

Best Light Spectrum for Plant Growth

Grow lights are best for plants as well as for humans. The energy plants get from these lights help them to convert light into food. But it’s important to keep in mind that all spectrum lights do not work the same way. For example, there are many plants that need a spectrum of color to grow and thrive properly.

You might have seen the standard spectrum light as clear, but in reality or if you study deeply, these lights feature several  colors that are emitted in varying degrees. Therefore, it is regarded as a full spectrum led grow light.

The full spectrum light supports the plant growth and in some spectrum grow light you can adjust the balance in color from warm to cool where warms is red and blue is for cool light.

While Red Light is commonly perceived as the most ideal light for plants there are other colors that also have their part to play. Talking about the red light spectrum, it promotes photosynthesis because it’s highly absorbed by the chlorophyll pigments. Here is a clear classification of these colors in spectrum light.

  • Red light helps to regulate the plant growth and to produce flowers and fruits
  • Green light helps to enhance and maximize the photosynthesis
  • Blue spectrum light helps to produce the chlorophyll. It’s the pigment you need in plants and helps them to grow. Blue light is also responsible for the germination and root development especially in young plants and seedlings.

Why Full Spectrum Light is best?

If you study the behavior of plants and their reaction to each wavelength of light you will come to a conclusion that each color is responsible for plant growth, root development and more, respectively. 

Therefore, full spectrum LED grow light is the best option you should choose. Since this light is ideal enough to mimic the natural sunlight, your plants get to thrive and receive all the benefits that they need for producing fruits, flowers etc. 

Full spectrum light uses the combination of all these colors, resulting in ideal growth of leaves for your indoor plants. Here are the houseplants and the amount of light they need.

Low-light houseplants need about 10-15 watts or about 50-250 lumens per square foot to thrive. Here are these plants

  • Calathea
  • Pothos
  • Philodendron
  • Peace lily
  • Snake plant
  • English ivy

Medium-light houseplants need 15-20 watts or about 250-1,000 lumens per square foot to thrive. Here are these plants.

  • Rubber plant
  • Fiddle leaf fig
  • Asparagus fern
  • Spider plant
  • Jade
  • Peperomia

High-light houseplants need up to 20 watts or more than 1,000 lumens per square foot to thrive. Here are these plants

  • Poinsettia
  • Cactus
  • Succulents
  • Jasmine
  • Orchid
  • Citrus
  • Hibiscus

 











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