When the last tomatoes have been picked and the garden is winding down, it’s easy to think the work is over until spring. But fall is actually one of the best times to focus on something that is often overlooked: your soil.
Healthy soil is the foundation of a productive organic garden. And what you do to your soil in the fall can make a noticeable difference in how well your garden performs the following year.
Your Soil Has Worked Hard All Season
During the growing season, your plants take nutrients from the soil, and frequent watering and rain can contribute to nutrient loss. By the end of the season, your soil has supported months of plant growth.
Fall gives you the opportunity to replenish and improve it before the next crop goes in.
One of the simplest things you can do is add finished compost. Compost adds organic matter and nutrients while helping improve soil structure, drainage and the soil’s ability to hold moisture. Over time, regular additions of organic matter can make garden soil easier to work and more supportive of healthy plant growth.
Don’t Wait Until Spring
Adding compost in the fall has an advantage: you’re giving it time to interact with the soil over the winter.
Rather than rushing to amend the soil just before planting, fall allows you to spread compost and other appropriate organic amendments and let nature begin the process. By spring, the garden bed is already on its way to being ready for the new growing season.
Fall is also a good time to have your soil tested. A soil test can reveal the pH and nutrient levels of your soil and help determine whether specific amendments are actually needed. That’s important because more isn’t always better when it comes to adding nutrients.
Protect Your Soil Over Winter
Healthy soil shouldn’t be left bare all winter if you can avoid it.
Rain, snow and wind can contribute to erosion and the loss of valuable topsoil. Winter weather can also affect soil structure.
Cover crops are one option for protecting the garden during the off-season. Depending on your garden and climate, crops such as rye, oats, clover or other appropriate cover crops can help hold soil in place and add organic matter.
Another simple option is organic mulch. Chopped leaves are an excellent fall resource. Rather than bagging every leaf, consider using them as a protective layer over your garden beds. As they break down, they return organic matter to the soil.
Healthy Soil Is More Than Just Nutrients
When we talk about improving garden soil, it’s easy to focus only on fertilizer and nutrients. But healthy soil is a living ecosystem.
Organic matter provides food and habitat for countless organisms that contribute to soil health. Earthworms, fungi, bacteria and other soil organisms all play roles in breaking down organic material and making nutrients available to plants.
That’s one reason organic gardening focuses so much attention on building the soil rather than simply feeding the plants.
Don’t Overwork It
Another fall temptation is to dig, turn and thoroughly work the garden beds.
Sometimes that may be appropriate, but soil doesn’t necessarily benefit from being disturbed unnecessarily. Excessive digging can disrupt soil structure and the organisms living within it.
In many gardens, a better approach is to add compost or other organic matter to the surface, protect the bed with mulch or a cover crop, and let the soil ecosystem continue doing its work.
Think of Fall as an Investment
A productive vegetable garden doesn’t begin with the first seed planted in spring. It begins with the soil.
Fall is an opportunity to replenish organic matter, address soil issues, protect the beds from winter weather and prepare for the growing season ahead. A little attention now can mean healthier soil — and healthier plants — next year.
At Yard2Kitchen Organic Gardens, we believe great gardens start from the ground up. If you would like information about having your own Yard2Kitchen backyard garden, please Contact Us. We also offer maintenance services and can help prepare your garden for the season ahead.
Learn More
For more information about building healthy garden soil and preparing your garden for winter:
- USDA Natural Resources Conservation Service — Information about soil health, organic matter and practices that protect and improve soil.
- Rutgers Cooperative Extension — Practical, research-based information for New Jersey gardeners, including soil testing, composting and cover crops.