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Harvest, Storage & Post-Harvest TimingStorage Calendar for Nuts
Nuts are easy to ruin after a good harvest. The weeks right after drop decide whether they keep well, and drying comes first.
Key points
- Gather often and dry before long storage.
- In-shell keeps longer than shelled, and cold storage slows rancidity.
- Sort out damaged nuts early.
- Check for pests regularly and use extension guidance on any control.
- Gather more often in wet weather and finish drying indoors.
What happens right after nuts drop?
Gather nuts promptly. Nuts left on the ground can pick up moisture, mold or insect damage, and wildlife will take their share. Remove husks as soon as you can, since staining and mold can start in a damp pile.
Sort out cracked, wormy or moldy nuts at this stage. A float test described by your extension office can help you spot poor ones in some species.
If the weather turns wet during drop, gather more often and bring nuts indoors to dry rather than leaving them in damp grass. A day or two of extra care at this stage prevents most mold problems.
How should nuts be dried and cured?
Most nuts need to dry before long storage, and many benefit from a curing period in a warm, dry, well-ventilated place out of sun. Spread them in a thin layer, stir often and use screens for airflow. Extension guides describe how to tell when a nut is dry enough, often by how the kernel feels and breaks.
Do not use ovens or other heat sources unless your extension guide describes the method for your species. Too much heat damages flavor and shortens shelf life.
A fan in the drying room helps, but keep the air moving gently. A damp garage or basement is a poor drying spot, and an attic that gets very hot can scorch kernels. Pick a place where you can keep the air dry and the temperature moderate.
How do you plan the calendar around harvest?
Work backward from your first expected drop. Have space ready, screens or trays on hand and a ventilated spot. Then plan three checkpoints: a few days after harvest, when drying should be well underway, and when you are ready to pack for storage.
For example, if your pecans usually begin to drop after the first cool weeks of fall in your area, have your drying space ready before then. Your state extension or a local grower group can tell you what timing is typical for your varieties.
- Gather often
- Hull and sort
- Dry in thin layers
- Pack when fully dry
What storage options work for nuts?
In-shell nuts keep longer than shelled nuts. Shelled nuts have oils that go rancid, and storage guides from extension suggest cool or cold storage, often including the refrigerator or freezer, in airtight containers. Check your guide for how long each species keeps.
Keep nuts away from strong odors and from damp air. Containers that seal well also keep out pantry pests.
Many people freeze shelled nuts for long storage. Pack them in airtight bags or jars with as little air as possible, label them with the date and use the oldest first. Let frozen nuts come to room temperature in the sealed container before opening it, so moisture does not condense on them.
What pests and quality problems should you watch for?
Weevils, moths and mold are the main risks. Inspect nuts at the same time you check on other storage. Discard any with webbing, holes or a musty or paint-like smell.
If you see an infestation, isolate the container and contact your extension office for current guidance before using any treatment. Pesticide labels and licensing rules vary, so keep it educational and follow the label.
How do you set up a yearly nut routine?
Keep a simple log: harvest date, drying days, storage method, and what you found at each check. After one season you will know how long your nuts really keep in your space.
Revisit the log before the next harvest and adjust your drying space and containers.
Ask neighbors with older trees what has worked in your area. Local knowledge about when nuts fall and how weather affects drying is hard to get from any book, and extension agents can connect you with other growers.
How much should you plan to store?
Plan from what you will actually use or sell. Nuts in the shell take up more room, so decide how much space you have before you start. Surplus can be shelled and frozen, shared or sold, depending on your state's rules for selling homegrown food.
If you sell nuts, check your state department of agriculture for any licensing, labeling or cottage food rules that apply. They vary by state, and your state agency is the authority.
Sources and further reading
Last reviewed: November 2026. Educational information, ranges only. Confirm timing with your county extension office.