when is the best time to apply roundup
When to spray Roundup. It is important to choose the right time to apply weedkiller to achieve the best results. The best time to apply is when the leaves are green and growing, typically in the spring and summer.t is important to ensure that you spray the entire leaf, but try to avoid run off. Share this page: Scotts Australia Pty Ltd, , Building E, Level 2, , 32 Lexington Drive, Bella Vista, , NSW, 2153. Use weedkillers safely. Always read the label and product information before use.