Cutting down your sunflowers in the fall is recommended as they are annual plants and will not regrow next year. So, for most years, if seeds are planted by aug. This can be done by waiting until flowers fully dry and turn brown, allowing the backs of flower heads to ripen and dry, or by cutting plants back before a killing. · cutting sunflowers in fall keeps gardens tidy, reduces pests, and frees space for other plants. But there are different rules about when and how to cut them back correctly. Harvesting the mature seeds, preventing self-seeding, and managing disease and pests are all benefits of removing the sunflowers in the fall. Consider that most ornamental and cut - flower sunflower varieties flower 60 days after planting on average. We will talk about why you should cut back sunflowers in the fall and the best way to do it in this article. · the best time to prune sunflowers is after they finish flowering in fall. 15, you can enjoy these gorgeous flowers from late september to october. Both options work—choose according to your garden’s needs and your style. Leaving them benefits soil health, adds nutrients, and provides seeds for birds. This makes a lot of gardeners wonder if they should cut down their sunflowers in the fall. Wait until the flowers are completely dry and brown, allowing seed heads to ripen properly for seed saving before cutting. You might be tempted to cut your sunflowers down in the fall after their blooms have faded and their seeds are beginning to fall , but is this the right move? · after sunflowers finish flowering, its best to cut them back in the fall. Yes , you should cut down sunflowers in the fall.
