What is white paint for on fruit trees

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Tree paint , also known as wound dressing , is any substance applied to damaged surfaces of a tree intended to improve its health. It is commonly applied after pruning , or at locations where the tree bark has been damaged. Tree guard paints are sold as organic and non-organic products. Both sunburn and sun scald can cause the tree's bark to crack or die, resulting in additional stress which is compounded by insects and parasites that enter the barkless wood, an invasion that will ultimately shorten the tree's life. Tree paint or whitewash protects against this. Some tree paints, depending on ingredients, also protect against insects and rodents.

  • Whitewashing tree trunks
  • Peach Tree Blues
  • Why do people paint trees white?
  • Painting the trunks of fruit trees
  • Treating fruit trees ?
  • Master Gardener: Why do arborists paint tree trunks white?
  • White concentrate
  • Pests and Diseases
WATCH RELATED VIDEO: Whitewashing a Tree Trunk / Whitening Trees / Paint Tree White

Whitewashing tree trunks

My girlfriend and I recently drove through Arizona, and while most of it was desert, we did see a few orchards of citrus trees. However, it was odd to see that many of the tree trunks were painted white.

I was curious to learn more about this, so I did a bit of research. The reflective paint also keeps citrus trees from becoming sunburnt in the summer. So, using white paint on your citrus trees helps prevent damage to their tissue and trunks in the summer and winter, but should you paint your trees?

The white paint will help protect the tree during extreme heat in the summer, and the freeze and thaw cycles in the winter.To better see how warm days and cold nights can damage a citrus tree, think of how you use hoses during the winter. During freezing weather, hoses generally need to be drained of all water. The same can happen with citrus trees. However, during freezing weather, the flowing sap will become stuck from the cold.

It also expands as it freezes, which bursts plant cells and tissues. Because of this, the citrus tree could then crack or split, which exposes the tree and increases the risk of pests or disease from bacteria or fungus.

This prevents the tree from going through extreme internal temperature swings and protects the tissues from bursting. Because of this, the tree remains stable and in a sort of stasis throughout the dormant, winter season. Whitewashing a citrus tree when it is young also protects the thin bark from sunscald damage , which is caused by the strong sun beating directly onto the tree bark without the protection of foliage or other shade. Also, painting the trunk white adds another layer to the thin bark that can help with light physical damage , like something hitting or scraping the trunk.

Some orchardists also rely on the painted bark to help them spot borers , as their sawdust trails show up more easily on the white paint than they do on the plain bark of an unpainted tree. However, not all paint is safe for use on trees. Oil-based, enamel, semi-gloss paints, and paint primer should never be used , as these penetrate and stain the bark of the tree. The latex in paint, even in indoor grades, is derived from petrochemicals.

Limewash is a type of whitewashing, and one that specifically uses, you guessed it—lime. The process of manufacturing limewash involves taking limestone and treating it with heat and water to change its chemical makeup. Start by adding three pounds of salt to twelve quarts of water, and then slowly add the ten pounds of crushed lime, stirring as you go.White paint made from casein, or milk proteins, is easily made at home and is another good alternative to white latex paint.

To make casein paint, add the juice of one lemon to a quart of skim milk. Leave this out overnight. The next day, strain out the curds with a sieve or cheesecloth. All you need is your whitewash of choice, a paintbrush, and a plan. So, where does white paint come in? Is Paint Bad for Citrus Trees? Fortunately, there are safer, organic alternatives.

Limewash Limewash is a type of whitewashing, and one that specifically uses, you guessed it—lime. Casein Paint White paint made from casein, or milk proteins, is easily made at home and is another good alternative to white latex paint. Here are some more tips on how best to apply whitewash citrus trees: Whitewash young citrus trees as well because their bark is still thin and can be easily burned by the sun.

Do it as early as you can to give the paint time to dry before nighttime and the cool temperatures arrive. But if you do it too early while the air is still cold, the paint itself may freeze on the trunk, which defeats the purpose.

So plan accordingly! A normal paintbrush is really your best bet for whitewashing. If you wait too long, the paint will spoil and be very unpleasant to work with. Apply the paint from the base of the tree up to where the trunk splits into branches. Paint all sides of the tree, not just the southern exposure. The trunk will need two or three coats of paint to get good coverage and color.


This fact sheet discusses sunscald, a significant problem that causes wounding on the trunk of many thin barked trees in cold winter climates. It includes a discussion of why it happens and describes how you can reduce or prevent its occurrence. PDF Version. Sunscald or southwest winter injury presents a significant threat to the trunks and limbs of certain deciduous trees.Although it can happen on shrubs it is more common on trees.

While this damage isn't likely to kill a mature native tree, it can cause death in a young, transplanted fruit tree. White Paint, and Aluminum Foil both can.

Peach Tree Blues

Limewash can be applied to the trunk of a fruit tree to deflect sunlight and keep the core temperature of the tree from rising. As a result, dehydration and sunscald are prevented. As well as sweetening the soil around a building, it also improves the appearance of the structure. Rust is prevented by limewash on iron or other metals. Painted in tree trunks, limewash prevents disease, sunburn, and frost bite. Lime solutions can be sprayed on fruit trees to reduce the risk of disease and pest problems. Lime is applied during the spring and winter months, as well as in the summer when the temperature is appropriate. Water, salt, and hydrated lime can be used to whitewash trees. Another alternative is white latex paint, or white, flat, water-based paint, and water.

Why do people paint trees white?

Click to see full answer. Also know, why do they paint orange trees white? Mostly the white paint is on citrus trees. The white paint protects the young citrus plants from the sun, when their bark is still thin.

Although it did bear fruit last year should I spray it with a product I don't like to use chemicals as our potager is bio.

Painting the trunks of fruit trees

Skip to main content. Protecting fruit trees from winter freeze injury. December 8,The fruit trees grown in Illinois, particularly the northern part of the state, are winter hardy but can still be injured by severe winter temperatures, said a University of Illinois Extension horticulture educator. The plant tissues are injured more when there is an exceedingly fast drop in temperature at night during winter.

Treating fruit trees ?

JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.So, you're taking a Sunday drive and come upon a grove of trees that look like they've been vandalized. The trunks have all been painted white about 6 feet up the tree! What in the world is going on here? Well, there are several reasons for white painting tree trunks.

Why are the bottom halves of tree trunks in China painted white? "Previously, European countries applied this technique to fruit trees.

Master Gardener: Why do arborists paint tree trunks white?

One of the strangest things you may see as you travel around is the bottoms of trees painted white. There are various reasons, and much of the reason bark is white does depend on the area you are in. You may be surprised to find it is not a new thing, and it is something that has been around for many years. Here you can learn the reasons why are tree trunks painted white, and is painting tree trunks something you should do in your garden?

White concentrate

RELATED VIDEO: Paint Your Fruit Tree

Cherry trees with white-painted trunks blossom in the street in Jinan, Shandong Province. Photo: VCG. Foreigners, expert discuss Chinese landscape protection methods. You may not expect this to be a question that puzzles a lot of foreigners when they first come to China, but it is. Someone even raised this question on the knowledge-sharing platform Quora.

Harvesting fruit from your own trees is a most satisfying activity, but care must be taken to ensure the fruit will last when stored through the winter months.

Pests and Diseases

I bought 18 cans of flat white latex spray paint, a sizable investment. My fingers got sore from all the spraying. Most of the trees in the orchard got a coat of paint from the ground up at least 2 ft on the trunk, the average snow depth. Painting the trunks is supposed to deter the ravages of rodents who crawl through the snow and gnaw on the trees for sustenance during the winter.Last winter we had a glut of rodents and they killed several adult trees by chewing the bark off the roots, and girdled a bunch more.

Painting tree trunks white is a time honored method of young tree protection often found in orchards and tree farms. There are several purposes but chief among them is to prevent cracking and splitting of the tender new bark, which can allow introduction of disease, insects and fungus. It is particularly sensitive to sunlight, and the paint reflects the ultraviolet rays that can cause sunburn and cracking. You must have noticed that cracks occur in the trees and bark starts coming out, due to which the trees become weak.

Watch the video: Φρούτα και καρποφόρα δέντρα


  1. Gurisar

    I consider, that you are not right. Let's discuss it.

  2. Yago

    None of your business!

  3. Rhesus

    Your thought is great

  4. Joseph

    Of course, I apologize, I would also like to express my opinion.

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