9 Fall Cleanup Mistakes That Can Kill Your Perennials
About This Resource
The article discusses common mistakes made during fall cleanup that can harm perennials. It emphasizes the importance of not cutting down all perennials indiscriminately, as many rely on their dead stems for nutrient absorption and frost protection. The piece advises on the benefits of mulching, using fallen leaves as natural mulch, and the timing of plant division to avoid root stress. It also cautions against over-fertilizing in the fall, which can lead to frost-sensitive growth. The article concludes by highlighting the need to disinfect gardening tools to prevent disease spread. Readers will gain practical insights into proper fall cleanup techniques that support the health of their perennials.
Key takeaways
What to know before you act on this, from the SteadScape editors.
- Avoid cutting down perennials until spring; many need their stems for nutrient absorption and frost protection during winter.
- Apply 2 to 3 inches of organic mulch, like compost or straw, to perennial beds to protect roots from freezing temperatures.
- Leave fallen leaves on garden beds as a natural mulch, maintaining a layer 2 to 3 inches thick to insulate and nourish plants.
- Divide perennials at least 1 month before the first frost date to prevent root stress; aim for 2 to 3 months if possible.
- Do not fertilize in fall if you are in USDA hardiness zones 7 and below; wait until spring to avoid frost-sensitive growth.
- Best for
- Beginner gardeners preparing for winter; plan cleanup in late fall before frost.
- Pairs with
- Garden Planner for your zone and frost dates.
Source Information
Summary and key takeaways written by SteadScape. How we choose resources
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