If you’re considering solar lights for your garden, you might be wondering if they could have any negative impact on your plants.
In this article, we’ll answer some of the most common questions about landscape lighting and plants, so you can make an informed decision about whether outdoor lights are right for your garden.
Table of Contents
Are Solar Lights Bad for Plants?
Solar lights work by converting sunlight into electrical energy during the day, which is then used to power the light at night. This process is completely safe for plants, and there is no evidence that solar lights can cause any harm to plants. Many gardeners use solar lights to help their plants grow.
Solar lights can be beneficial for plants, as they provide a source of light during the night. This can help plants to grow faster and produce more fruit or flowers.
However, it’s important to note that solar lights will not provide enough light for all plants.
If you’re growing plants that need a lot of light, such as vegetables, you’ll still need to provide them with additional light from another source.
Which are the advantages of Solar Lights on Plants?
Solar lights on plants have many benefits, including:
Source of light at night
They provide a source of light during the night, which can help plants to grow faster and produce more fruit or flowers.
Keep bugs away
They don’t attract bugs and can help to keep pests away from your plants. This is because they produce a small amount of heat, which bugs are not attracted to. Many gardeners use outdoor solar lights to help keep pests away from their plants.
Extra light
They’re a great way to add light to your garden without using electricity.
What Are the Disadvantages of Solar Lights?
Solar lights have a few disadvantages, including:
They’re not as bright as artificial fixtures
Solar light is not as bright as artificial fixtures, so it may not be suitable for all plants. Although sometimes landscape lighting fixtures might have the same visible spectrum as the sunlight.
They need direct sunlight to charge
Solar light needs direct sunlight to charge, so it may not provide enough light if it’s placed in an area that doesn’t get much sun.
They only provide light at night
Solar landscape lighting only provides light at night, so it won’t be suitable for plants that need light during the day.
What to Mind for Solar Lighting which Are Placed on Plants?
There are a lot of factors that may have an impact on plant growth. It can be either natural factors such as the amount of water, the soil, the seed etc. or light spectrum, duration of the sunlight and the intensity of the solar array.
Nevertheless, here are a few things to keep in mind when using solar landscape lighting on plants:
- The type of plant – Make sure to choose a plant that doesn’t need a lot of light. The solar light will not provide enough light for all plants.
- The amount of light -Solar lighting will not provide as much light as artificial light. If you’re growing plants that need a lot of light, such as vegetables, you’ll still need to provide them with additional light from another source.
- The location – Make sure to place the solar lighting in an area where they will get direct sunlight during the day. This will help to ensure that they charge properly and provide enough light at night.
Which Plants Benefit from Solar Garden Lights?
Some plants that benefit from solar garden lights include:
- Tomatoes – Tomatoes need at least six hours of light per day to produce fruit. Solar power can provide tomatoes with the extra light they need to produce more fruit.
- Peppers – Peppers need at least eight hours of light per day to produce fruit. Solar power can provide peppers with the extra light they need to produce more fruit.
- Strawberries – Strawberries need at least eight hours of light per day to produce fruit. Solar landscape lights which emit the same visible spectrum light received by the sun can provide strawberries with the extra light they need to produce more fruit.
Which Plants Should Be Kept Away from Solar Lights?
Some plants should be kept away from solar lights, as they may be harmed by infrared lights.
These plants include:
- Cacti – Cacti are sensitive to heat and can be harmed by the heat produced by LED lights.
- Succulents – Succulents are also sensitive to heat and can be harmed by the heat produced by solar power.
- Orchids – Orchids are sensitive to both heat and light. A landscape light may harm orchid flowers.
If you have any of these plants in your garden, we recommend keeping them away from solar lights.
Do Solar Lights Harm Trees During the Day/Night?
Solar lights have no harmful effects during the day or night.
Solar lights can be beneficial for trees, as they provide a source of light emitted from the solar panels during the night. This can help trees to grow faster and produce more fruit or flowers.
However, it’s important to note that garden lighting will not provide enough light for all trees. If you’re growing a tree that needs enough sunlight, such as a fruit tree, you’ll still need to provide it with additional light from another source.
How Should Solar Lights Be Placed on Plants?
The best way to place solar lights on plants is to put them in an area where they will get direct sunlight during the day.
This will help to ensure that the lights are charged properly and provide enough light at night.
You should also keep in mind the type of plant you’re growing, as some plants need more light than others.
Which Type of Lights Harm the Plants?
Three main types of lights can harm plants:
- Artificial Lights – Artificial light is such as fluorescent light and produces a lot of heat. This can damage plant leaves and flowers.
- Halogen Lights – Halogen lights also produce a lot of heat. This can damage plant leaves and flowers.
- Solar Lights – Solar lights produce heat from solar panels, but they also produce ultraviolet light. This can damage plant leaves and flowers.
Which type of light is harmful to plants depends on the plant. Some plants are more sensitive to heat than others, and some plants are more sensitive to UV light than others.
What Should I Look for When Buying Solar Lights?
When buying solar lights, you should look for:
- The type of light – Make sure to choose a light that is specifically designed for plants.
- The amount of light – Choose a light that provides the amount of light that your plants need.
- The location – Make sure to place the light in an area where it will get direct sunlight during the day.
Frequently Asked Questions (FAQs) if Solar Lights are Bad for Plants
We have prepared a list of questions which may help you learn more about the effects that solar lights have on plants.
Do solar lights work in the winter?
Solar lights will still work in the winter, but they may not provide as much light as they do in the summer.
This is because the sun is not as strong in the winter, so the solar lights may not charge as well.
If you live in an area that doesn’t get much sun in the winter, you may want to consider using solar-powered grow lights to help your plants grow.
How many solar lights do I need?
The number of solar lights you’ll need will depend on the size of your garden and the type of plants you’re growing.
If you’re growing vegetables, we recommend using at least six solar lights per plant. But, if you’re growing flowers, we recommend using two to three solar lights per plant.
Do solar lights need batteries?
Solar lights do not need batteries because they are powered by the sun. However, you may need to replace the batteries in the solar lights if they stop working properly.
How often should I replace the batteries in solar lights?
You should replace the batteries in solar lights when they stop working properly. You may need to replace the batteries more often if you live in an area that doesn’t get much sun.
How long should we keep solar lights on plants?
You should keep solar lights on plants for at least eight hours per day. However, you may need to keep the lights on for longer if your plants are not getting enough light.
If you’re using artificial lighting, we recommend keeping the lights on for 12 hours per day.
Do solar lights need to be plugged in?
Solar lights do not need to be plugged in. They will work without being connected to an electrical outlet.
This means they can be placed anywhere in your garden, even if there is no power source nearby.
Should we place solar lights for indoor plants?
Solar lights for plants should be placed outdoors in an area where they will get direct sunlight during the day.
Indoor plants will not benefit from solar lights because they do not produce UV light.
Final Thoughts
Solar lights are a great way to add light to your garden without using electricity. They’re also easy to install and require very little maintenance.
However, you should be aware of the potential effects that solar lights can have on plants.
If you’re concerned about the effects of solar lights on plants, we recommend using them in moderation and placing them in an area where they will get direct sunlight during the day.
References
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3949401/
- https://cescos.fau.edu/observatory/lightpol-Plants.html
- https://www.mdpi.com/2223-7747/9/10/1273/pdf
- https://www.canr.msu.edu/uploads/resources/pdfs/red-light.pdf
- https://aggie-horticulture.tamu.edu/ornamental/a-reference-guide-to-plant-care-handling-and-merchandising/light-temperature-and-humidity/