When To Pick Your Potatoes

When to pick your potatoes is usually when the plants have fully flowered and the foliage starts to yellow and die back.
 
That’s the classic signal that your potato harvest is ready, but the exact timing for when to pick potatoes depends on whether you want new potatoes or larger storage spuds.
 
If you’ve been wondering when to pick your potatoes for the best flavor and longest shelf life, the answer also hinges on your local climate and the variety you planted.
 
In this post, we’ll walk through the key signs to watch for, how to test for readiness, and the simple steps to ensure you know when to pick potatoes without guessing.
 
Let’s dig in and get your harvest timing just right.
 

When to Pick Your Potatoes: The Main Signs to Watch

Knowing when to pick your potatoes comes down to observing the plant above the soil, because that’s your best clue for what’s happening underground.
 
You’ll know when to pick potatoes for new (early) harvests about two to three weeks after the plants finish flowering.
 
For maincrop varieties, the ideal time to pick potatoes is when the foliage has turned yellow and begun to flop over naturally.
 
Here are the specific indicators that answer when to pick your potatoes with confidence.
 

1. Flowering Stage Signals Early Potatoes

When your potato plants produce blossoms, that’s your first hint about when to pick potatoes for a fresh, tender crop.
 
You can start harvesting new potatoes just after the flowers open, but for slightly larger new spuds, wait about two weeks after full bloom.
 
Keep in mind that some varieties flower very little, so don’t rely solely on blooms if you’re unsure when to pick your potatoes.
 
In that case, gently scratch the soil at the base of the plant to check the size of the tubers.
 

2. Foliage Die-Back Signals Mature Storage Potatoes

The most reliable answer for when to pick potatoes meant for storage is when the tops have died back completely.
 
Once the stems turn yellow, wither, and eventually fall over, the skins on your potatoes have thickened and cured naturally.
 
This usually happens 90 to 120 days after planting, depending on the variety, so mark your calendar as a backup guide for when to pick your potatoes.
 
If you harvest too early, the skins will be thin and prone to bruising, which shortens their storage life.
 

3. Soil and Weather Conditions Affect Timing

A key factor in when to pick potatoes is the moisture level in the soil, because potatoes need dry conditions at harvest time.
 
Aim to pick potatoes when the soil is slightly moist, not soggy, as wet ground makes tubers dirty and more likely to rot in storage.
 
Also, plan to pick your potatoes before the first hard frost, since cold damage can turn tubers sweet and ruin their texture.
 
If a heavy rain is forecast, wait a few days after it passes to decide when to pick your potatoes.
 

How to Test if It’s Time to Pick Your Potatoes

Even with visual cues, you might still wonder exactly when to pick your potatoes, so a quick hands-on test removes all doubt.
 
You can determine when to pick potatoes by digging up one test plant first, which acts like a sample of the whole crop.
 
Here’s how to do that test properly and confirm your harvest timing.
 

1. Dig a Test Hill

Choose one plant on the edge of your row and carefully loosen the soil with a garden fork.
 
Pull the plant up gently and examine the potatoes on the roots, checking their size and skin firmness.
 
If the tubers are at least the size of a hen’s egg and the skins don’t rub off easily, that’s your definitive sign for when to pick your potatoes.
 
If the skins are paper-thin and scrape off with your thumb, give them more time in the ground.
 

2. Check the Skin Set

The skin set, or how firmly the skin adheres to the flesh, is the best indicator for when to pick potatoes meant for long-term storage.
 
Rub your thumb across a potato’s surface; if the skin stays intact, they’re ready.
 
If the skin peels away easily, wait another week or two, then test again to find the perfect time to pick your potatoes.
 

3. Consider Your Use for the Harvest

Your intended use changes when to pick potatoes, because new potatoes and storage potatoes need different maturity levels.
 
Pick potatoes for immediate boiling or salads early, when they’re small and waxy with thin skins.
 
Pick potatoes for baking, mashing, or winter storage later, when they’ve reached full size and the skins have set.
 
So define your purpose first, then align that with the signs above to know when to pick your potatoes.
 

Best Practices for Harvesting Once You Know When to Pick Potatoes

Once you’ve nailed down when to pick potatoes, the harvesting method matters just as much to protect your crop.
 
Follow these simple best practices so your timing isn’t wasted by careless digging or poor handling.
 

1. Use a Fork, Not a Shovel

A garden fork is gentler on tubers than a sharp shovel, which can slice potatoes in half.
 
Insert the fork at least 12 inches away from the plant’s stem and angle it upward to lift the soil.
 
This technique helps you avoid piercing the potatoes while you’re bringing them to the surface.
 

2. Let Them Dry on the Ground

Right after you pick potatoes, leave them on the soil surface for a couple of hours to let any excess moisture evaporate.
 
Don’t wash them yet, because wet skins invite rot during storage.
 
Just brush off loose dirt gently with your hands once they’re dry.
 

3. Cure Before Storing

If you’ve waited until the right time to pick potatoes for winter storage, curing is the next critical step.
 
Place the unwashed potatoes in a dark, cool (about 50°F), and well-ventilated area for two weeks.
 
This curing process heals any small cuts and thickens the skins further, locking in quality.
 
After curing, move them to a colder spot like a cellar or pantry, around 40°F, where they’ll keep for months.
 

So, When to Pick Your Potatoes?

When to pick your potatoes depends on whether you want new or storage potatoes, but the foliage and skin test give you clear answers.
 
You should pick your potatoes for fresh eating shortly after flowering, and for storage, wait until the vines die back fully.
 
Also, dig a test hill to confirm the skins are firm, and always harvest in dry soil conditions for best results.
 
So when to pick your potatoes comes down to watching the plant, testing one hill, and matching the harvest to your kitchen plans.
 
Now you can step into your garden with total confidence, knowing exactly when to pick your potatoes for a delicious and long-lasting crop.
 
Happy harvesting, and enjoy the fruits (or tubers) of your labor.