Maximizing Light and Temperature Control in Your Greenhouse with Paint and Spray-On Shading

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Greenhouse Paint

Maximize the growth and health of your plants with the right greenhouse paint and spray-on shading. Learn about the best products for controlling light and temperature in your greenhouse, and how to properly apply them for optimal results

Maintaining a cool environment in your greenhouse is essential for achieving a bountiful harvest, particularly during the hot summer months. Excessive sunlight and humidity can harm your plants, therefore, it’s essential to use greenhouse shading and paint to protect them. By using paint on your greenhouse, you can create optimal light and temperature conditions for your plants to thrive.

Shade cloth can be a costly and impractical solution for some greenhouse owners. However, using paint, sprays, and shading can provide an effective and cost-efficient alternative. There are various types of paint and sprays available on the market, making it difficult to choose the right one. To assist you in making an informed decision, I have compiled a list of the 11 best greenhouse paint and spray-on shading options.

Here we go

1. Rust-Oleum 285140 Chalked Greenhouse Paint

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The Rust-Oleum brand of greenhouse shading whitewash paint is composed of a latex and acrylic blend

This paint for greenhouse shading shields your greenhouse from excessive solar heat and provides a water-based matte finish. A significant benefit of this paint is its low odor

One of the key advantages of this paint is its low odor. Additionally, it features a water-based matte finish, strong adhesion, and fast drying time of 30 minutes. With the ability to apply a double coating in a single day, this shading paint is an efficient and convenient option.


  • Easy to apply 
  • Ultra matte finishing 
  • High-quality adhesion capacity 
  • Quick dry 
  • Solar heat protection 
  • Works well on bubble wrap and glass surface 


  • Water issues 

2. Country Chic Greenhouse Paint Chalk Style

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Another option recommended by experts for greenhouse shading paint is chalk paint. There are various chalk paint brands available on the market, one of the popular choices among many is Country Chic chalk paint

You may be wondering why choose chalk paint for shading instead of shade cloth. The reason is that when applied to shade netting, chalk paint helps diffuse light and reduce heat within the greenhouse. Additionally, this combination of paint and netting can also effectively deter pests. Furthermore, this solution is often more cost-effective compared to the cost of shade cloth.


  • Protection against humid weather and sun rays
  • Easy application on the vents, blinds, and shade netting
  • High-quality chalky matter finishing
  • Take 3o minutes to dry


  • Comes in a little container, not ensuring enough for all your coverage needs

3. Inspired Cool Glass Greenhouse Paint Summer Shading

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You may be wondering why this shading paint is on my recommendation list. The reason is that it is effective in blocking out the intense heat of the summer sun, protecting your plants

The Inspired brand offers paints that are specially formulated for greenhouse shading and conservatories, with added resistance to heavy rain and wind. These paints have been specifically designed for use in these types of structures

In addition to keeping your greenhouse cool, this paint also shields it from UV rays and high humidity. One of the things I particularly appreciate about this paint is its creamy color and light texture, which makes it an ideal option for shading greenhouses.

One of the standout features of this paint is its versatility. It can be used on shade netting, vents, external blinds, and more, without interfering with the integrity of the greenhouse glazing.


  • Compatible for the summer season
  • Prevents pests in hot temperature
  • Heavy protective layers on shade netting and blinds


  • Needs multiple coats for the best effect

4. Krylon K09153000 COVERMAXX Spray Greenhouse Paint

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If rust protection is a priority for you when choosing shading paint, consider the Krylon COVERMAXX spray paint. It provides heavy-duty rust and corrosion protection and can be used as a multi-purpose protective layer on a variety of surfaces, including glass, plastic, paper, and fabric.

This feature sets this spray paint apart from other shading paints. Additionally, the spray paint is portable, making it easy to use on the go

The seaside green colored spray paint dries in just 10 minutes, and doesn’t require a primer or brushes to apply. Its long-lasting adhesion quality makes it stand out among other paints, making it an excellent choice for greenhouse spray-on shading.


  • Enhances glazing on the shades
  • Good coverage on the netting, blinds, and vents
  • Easier to use 
  • Finest adhesion 


  • High odor

5. Boomerang Eco-Friendly Interior Greenhouse Paint

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When it comes to environmentally friendly paint, Boomerang offers an outstanding option for greenhouse interiors. It comes in both a paint tub and spray system, and the white clay-colored paint provides protection from heat and rust for your garden.

The greenhouse shade paint by Beyond offers a high-quality eggshell finish and is made with eco-friendly ingredients. However, it requires two coats to be applied, and you’ll need to wait a few hours before applying the second coat.

This will help you to decide whether or not you need to apply the paint and to determine the right type of paint for your greenhouse. Overall, Boomerang’s eco-friendly paint is an excellent option for those looking for a durable and sustainable option for shading their greenhouse.


  • Premium quality glazing capacity
  • Safe for plants 
  • Comfortable application 
  • A great choice for greenhouse roof and internal blinds


  • Thin mixture

6. Chalky Chicks Matte Chalk Finish Greenhouse Paint

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This paint can be used for various surfaces, including wood, metal, and glass. Its ultra-matte finish makes it perfect for creating a whitewashed look in your greenhouse. Its versatility also makes it a great option for small greenhouses, as it can be used to paint furniture, frames, and other structures. Additionally, it can be easily cleaned and maintained, making it a great long-term solution for your greenhouse shading needs.

The Chalky Chicks brand offers a versatile ultra-matte chalk paint that is perfect for small greenhouses. It can be used to color furniture and for DIY greenhouse whitewashing. The paint is suitable for both Tyvek fabric and glass surfaces and does not require sanding or primer. It is also environmentally friendly due to its low VOC content and is able to effectively seal greenhouse shading during summer temperatures. One container of paint can cover an area of more than 75 square feet, and it is recommended to use a brush to conserve the paint.


  • Affordable
  • Wide area coverage 
  • Heavy coating 
  • Requires no preparation 
  • Easy to use 


  • Not ideal for commercial greenhouses

7. Samurai 2-Part Polyurethane Spray Greenhouse Paint

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The Samurai brand offers a high-quality polyurethane spray paint that is effective in diffusing light and keeping your greenhouse cool. It is a great alternative to shade cloth and is sure to not disappoint when chosen as a shading solution.

The best part about using this shading paint is its cost-effectiveness. It not only provides shade but also works well in high humidity environments. It can enhance air flow within the greenhouse better than shade cloths. Another great feature of this paint is its availability in package options of two to six cans, and it comes with an additional nozzle for easy application.


  • Ensure good ventilation
  • Good sun protection formula
  • Suitable for hot weather, especially in spring and fall
  • High UV resistance
  • Thick coat
  • Good coverage


  • Requires primer

8. Pinty Plus  Chalk Finish Spray

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The package includes two cans, and it is easy to apply with the included nozzle. It dries quickly and provides a durable finish that can protect your greenhouse from heat and UV rays. Additionally, it is an eco-friendly option as it is low in VOCs. Overall, Pinty Plus chalk finish spray is a great choice for those looking for a cost-effective and easy-to-use greenhouse shading solution.

The Pinty Plus brand offers a chalk finish spray for painting greenhouse shading. This water-based shade paint is versatile and can be applied to wood, glass, and plastic surfaces. It comes in packages of two or six sprays and provides a matte texture for wide coverage. This spray coating is a great alternative to shade cloth and allows for both decoration and restoration of shading. If you haven’t tried using chalk colors for your greenhouse garden, this spray is worth trying.


  • Comfortable to use 
  • Long-lasting 
  • Versatile 
  • Appropriate for hot temperature
  • Organic materials 
  • Wide coverage 
  • Come up in a package 


  • Needs multiple coatings

9. Rust-Oleum Automotive 248650 Spray Greenhouse Paint

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In addition to its glossy finish, this brand’s paint offers the ability to restore and enhance the look of classic English greenhouses. The spray paint comes in a 12-ounce bottle, and multiple bottles may be needed to complete the painting of a large greenhouse.

Rust-oleum spray paint offers a convenient any-angle comfort tip for easy application. It can be used to renew and refresh surfaces with its shading paint spray. However, it is important to note that a primer should be applied to the surface before using this paint.


  • Sustainable
  • Works well on fiberglass and plastic surface
  • Restores shade
  • High resistance to the sun
  • Value for money
  • Excellent coverage on the shade netting


  • Spraying can spread outside the greenhouse

10. Amy Howard Home Chalk Finish Greenhouse Paint

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Amy Howard Home offers an eco-friendly option for painting your greenhouse with their variety of colored chalk paint. Light colors are recommended for greenhouse shading. With this paint, there is no need for preparation such as stripping, sanding, or using a primer before painting. It can be applied to various surfaces including wood, glass, and fabric.

Amy Howard Home offers an eco-friendly chalk paint option that comes in various light colors, perfect for painting a greenhouse. It requires no stripping, sanding, or primer, and can be used on wood, glass, and fabric surfaces. With zero VOC ingredients, it can cover a wide area and is safe for the soil. The water-based formula dries quickly and only requires one coat, making it a cost-effective and popular choice among buyers.


  • Works with one-step coating
  • Effective formula
  • High-quality ingredients
  • Dries faster than other brands


  • Smaller tins

11. ALLFLOR California Greenhouse Paint

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ALLFLOR California paints are a great option for shading the greenhouse floor. The enamel finish provides abrasion resistance, making it a durable choice for high-traffic areas. Additionally, the light gray glossy finish prevents fading and helps to protect crops and plants.


  • Cost-effective
  • Best for glass greenhouse shade and roof
  • Prevent sunlight inside the greenhouse
  • Keep the garden in ideal conditions in the winter season
  • Low luster materials
  • Water-based shade paint
  • Trim finishing
  • Extra protection from pests and harmful particles


  • Don’t have any

FAQs Greenhouse Paint

How do you whitewash a greenhouse?

To whitewash a greenhouse, you can either brush or spray the paint onto the shades. Before starting, gather all necessary materials. If using a container, dip a brush into it and apply to the shades. With a sprayer, you can apply the paint using the nozzle. Many gardeners prefer to use a brush for this task.

What is greenhouse whitewash?

Whitewashing a greenhouse can be done through brushing or spraying techniques. Before starting, gather the necessary materials. For brushing, dip the brush into the paint container and stroke it onto the greenhouse shades. Alternatively, use a sprayer with nozzles to apply the paint. Many gardeners prefer to brush the shades, but both methods can be effective. Using latex, enamel, or chalk paints on the shades can protect your greenhouse from hot temperatures and strong winds, while also providing shade for your plants and preserving them from direct sunlight.

Do I need shading in my greenhouse?

Applying a whitewash on the shades of a greenhouse is crucial for maintaining good plant health. It helps to regulate temperatures and protect seedlings from excessive sunlight. Furthermore, using paint to provide shading can improve air circulation more effectively than using shade cloth.

Should I whitewash my greenhouse?

It is important to whitewash the greenhouse shades in order to achieve good air ventilation and maintain good plant health. This will also protect seedlings from extreme temperatures and promote better air circulation than using shade cloth alone.

What can I use for greenhouse paint shading?

Shading is a crucial aspect of maintaining a healthy greenhouse environment. There are several options available for shading, such as using shade netting on the exterior or interior of the greenhouse, or using internal netting to control temperatures. However, using shade paint may be the most effective option as it can provide both light diffusion and temperature regulation.

Read more:

Growing in the Snow: 10 Greenhouses Perfect for Cold Climates

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