{"id":611973988678,"date":"2025-10-16T16:41:46","date_gmt":"2025-10-16T16:41:46","guid":{"rendered":"https:\/\/blogs.ashridgetrees.co.uk\/blogs\/uncategorized\/applying-winter-wash-fruit-tree-insecticide\/"},"modified":"2026-04-21T08:41:10","modified_gmt":"2026-04-21T08:41:10","slug":"applying-winter-wash-fruit-tree-insecticide","status":"publish","type":"post","link":"https:\/\/blogs.ashridgetrees.co.uk\/blogs\/fruit\/applying-winter-wash-fruit-tree-insecticide\/","title":{"rendered":"Applying Winter Wash Fruit Tree Insecticide"},"content":{"rendered":"<h2>How to Apply Winter Wash to Fruit Trees<\/h2><p>It\u2019s good to apply <a href=\"https:\/\/www.ashridgetrees.co.uk\/products\/winter-tree-wash-organic-insecticide\">winter wash<\/a> to your <a href=\"https:\/\/www.ashridgetrees.co.uk\/collections\/fruit-trees\">fruit <\/a>and <a href=\"https:\/\/www.ashridgetrees.co.uk\/collections\/garden-trees-big-standards\">ornamental trees<\/a> in the winter when there are no leaves on the trees (the spray will scorch leaves, so it is only suitable for winter use). <\/p><p>Our winter wash is an organic pesticide that works by attacking the waxy compounds that make up insect eggs and carapaces. Take a look at the video below to see how to apply it.<\/p><figure><div>\n<iframe loading=\"lazy\" title=\"How to Apply Winter Tree Wash\" width=\"500\" height=\"375\" src=\"https:\/\/www.youtube.com\/embed\/6Rl7v0a1FIA\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure><p><details><summary>VIDEO TRANSCRIPT<\/summary><p>So this time of the year after you\u2019ve put your grease bands on or your grease and you\u2019ve cleared everything up, we\u2019ll do a winter tree wash, which just cleans the trees up ready for the spring. It\u2019s not like tar oil, which used to be used to kill anything and everything. That\u2019s gone now! So the winter tree wash that you can get from Ashridge Nurseries website is a blend of natural oils and surfactants, and this will remove insect debris, dust, dirt, and other substances, where the pests have laid their eggs, so it\u2019ll wash the eggs off as well. Once you\u2019ve removed the eggs, nothing will hatch on the tree in the spring, so you won\u2019t get as many problems as you would do if you just left the tree. This also removes some fungal spores as well, which can cause problems in the spring when the leaves are just starting to open. <br><br>Apply this on a cool calm day November to February when there\u2019re no leaves on the trees. This will clear the tree up ready for the spring.<br><br>If you\u2019ve got a big tree, you\u2019ll probably need a knapsack or one of the five-litre sprays, and a set of step ladders, so you can safely climb up to the top of the tree. We\u2019re just going do small trees. So we\u2019ve just got a litre spray bottle. You\u2019ll need to read the instructions on the back. So we\u2019ve got one litre of water in there and you need 50ml of winter wash to add to the water. <br><br>It gives you a little measuring vial there. Take the top off \u2013 it\u2019s got a childproof lock. Squeeze the bottle and then you\u2019ll see the winter wash go up into there. Just squeeze it gently until you get to that 25ml mark there. Now just pour it in. Squeeze it gently again and you\u2019ll see all this coming up the side, so fill it up to 25 ml again and then pour it in the bottle. <br><br>So what you\u2019ll want to, is you want to spray the whole tree, so everything all the way up, but just pay particular attention to the little nooks and crannies in here. So this is where the eggs and all the other bugs will be hiding out. So just start at the bottom and work your way up giving it a good coverage.<br><br>I\u2019ll place it on the floor. So just kind of aim down and just kind of get it in there. Get in the little nooks and crannies everywhere. Give it a real good soak. That\u2019s it! We should see some improvement in the spring.<\/p><\/details><\/p>\n<h3>When to apply Winter Wash<\/h3>\n<p>Anytime the weather is dry and still between November and February, when the leaves have fallen.<\/p>\n\n<section class=\"prodshow-shopify-block\" \n         id=\"prodshow-block-1\"\n         >\n\t\n\t<div class=\"prodshow-container\">\n\t\t\n\t\t\t\t\t<!-- Multiple Products\/Collection View -->\n\t\t\t<div class=\"prodshow-header\">\n\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t\t<h2 class=\"prodshow-title\">\n\t\t\t\t\t\t\tRelated Products\t\t\t\t\t\t<\/h2>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t<div class=\"prodshow-carousel\" data-carousel=\"prodshow-block-1\">\n\t\t\t\t<div class=\"prodshow-carousel-viewport\">\n\t\t\t\t\t<div class=\"prodshow-carousel-container\">\n\t\t\t\t\t\t<div class=\"prodshow-product-card\">\n\t<a href=\"https:\/\/ashridge-trees.myshopify.com\/products\/jupiter-apple-trees\" \n\t   class=\"prodshow-product-link\" \n\t   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spring.","footnotes":"","merlin_auto_generated":"","merlin_generated_at":""},"categories":[24],"tags":[58,59,62,109],"class_list":["post-611973988678","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fruit","tag-gardening-tips-monthly-tasks","tag-gardening-tips-plant-pests-and-diseases","tag-grow-fruit-fruit-trees","tag-winter"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Apply Winter Wash to Fruit Trees<\/title>\n<meta name=\"description\" content=\"Apply organic winter wash between November &amp; February to remove insect eggs &amp; fungal spores from dormant fruit trees ready for spring.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.ashridgetrees.co.uk\/blogs\/fruit\/applying-winter-wash-fruit-tree-insecticide\/\" 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