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Almonds will ripen off the tree, but only under the right conditions and only if they’ve reached a certain stage of maturity before being picked.
If you’ve been wondering whether almonds will ripen off the tree after an early harvest or a storm knocked a few green ones loose, the short answer is yes—they can continue ripening, though the process works a bit differently than it does for fruits like peaches or tomatoes.
In this post, we’ll walk through why almonds will ripen off the tree, how to encourage that process at home, and the mistakes that can stop it cold.
Let’s get into it.
Why Almonds Will Ripen Off the Tree
Almonds will ripen off the tree, and here’s why that happens.
1. Almonds Are Drupes With a Ripening Window
Botanically speaking, almonds aren’t true nuts—they’re drupes, closely related to peaches and plums.
The part you eat is the seed inside a fleshy hull and a hard shell.
Because of that drupe biology, almonds will continue to ripen off the tree during their natural maturation window.
The hull splits, the shell hardens, and the kernel inside keeps developing even after it leaves the branch.
2. The Kernel Keeps Maturing After Picking
When you pick almonds at the right stage—when the hull starts to split and the shell feels firm—the kernel still has some finishing work to do.
That work continues off the tree.
Almonds will ripen off the tree as moisture leaves the kernel and oils develop, which is why freshly harvested almonds often taste bitter or bland at first and mellow out after a few days of drying.
3. Drying Is Part of the Ripening Process
For almonds, ripening and drying go hand in hand.
Unlike a tomato that softens and sweetens on the counter, almonds ripen by losing moisture and firming up.
This is why almonds will ripen off the tree so reliably—the process depends more on airflow and warmth than on the plant itself.
4. Ethylene Plays a Smaller Role
Almonds do release some ethylene, but they aren’t as dependent on it as climacteric fruits are.
Still, storing almonds will ripen them faster when they’re kept together in a warm, dry spot where that gas can linger.
So while ethylene isn’t the star of the show here, it does help almonds ripen off the tree a little more evenly.
How to Ripen Almonds Off the Tree
So how do you actually get almonds to finish ripening once they’re off the branch?
The goal is to mimic the warm, dry, breezy conditions of a late-summer orchard by:
1. Drying Them in a Single Layer
Spread your almonds out in a single layer on a screen, tray, or clean cloth.
Good airflow is everything here.
If almonds are piled up, moisture gets trapped and mold moves in fast, which ruins the batch before it can ripen.
2. Keeping Them Warm and Dry
The ideal temperature for almonds to ripen off the tree is around 75–95°F (24–35°C).
A sunny porch, a dry garage, or a warm shed works well.
Just keep them out of direct rain and morning dew, since added moisture slows the process and invites spoilage.
3. Giving Them Time
Depending on how early you picked them, almonds will ripen off the tree in about one to two weeks.
You’ll know they’re ready when the hull is fully dry and easy to peel away and the shell feels hard and rattles slightly when shaken.
Patience pays off here—rushing the process usually means a bitter kernel.
Common Mistakes That Stop Almonds From Ripening
A few missteps can keep almonds from ripening off the tree properly.
1. Picking Way Too Early
Almonds picked while the hull is still green and tightly closed often won’t ripen off the tree at all.
They need to be at least near maturity for the ripening process to finish.
2. Storing Them in Plastic
Sealed plastic bags trap moisture, and that’s the fastest way to get mold instead of ripe almonds.
Use breathable containers or mesh instead.
3. Refrigerating Too Soon
Cold slows ripening dramatically, so don’t move almonds to the fridge until they’re fully dry and ripe.
So, Will Almonds Ripen Off the Tree?
Almonds will ripen off the tree, but only if they were picked at or near maturity and given the right warm, dry, airy conditions to finish.
Almonds will ripen off the tree through drying rather than softening, so airflow and patience matter more than anything else.
Hope this post has helped you understand why almonds will ripen off the tree and how to get the process right at home.