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The Global Insight

How long does it take to grow potatoes?

Author

Andrew Campbell

Updated on April 29, 2026

How long does it take to grow potatoes? Small young potatoes may be harvested as early as 10 weeks after planting. Full-sized potatoes, on the other hand, require roughly 80-100 days to mature. The potato is a root vegetable native to the Americas that is made up of a starchy tuber from the plant Solanum tuberosum. The plant belongs to the nightshade family Solanaceae and is a perennial.

potatoes

:round_pushpin: How to grow potatoes?

Follow these steps to grow potatoes:

:arrow_right: Choose Seed Potatoes

Begin by ordering organic, disease-free seed potatoes from a catalog or farm shop. Sprout-retardant-treated potatoes from the grocery store are not acceptable for planting. If you purchase from a farm shop, as I do, look for tubers that have sprouted.

Otherwise, just set them out on your kitchen counter to pre-sprout. Potatoes that have been pre-sprouted may be harvested a few weeks sooner than their non-sprouted counterparts.

:arrow_right: Separate The Eye

Only little potatoes, around the size of a golf ball, should be sown intact. Large tubers should be cut into pieces. I made mine with two or three “eyes” on each part. The rationale for chopping the potatoes is because a huge potato with numerous eyes would produce a crowded, multi-stemmed plant with each stem contending for food and moisture, resulting in only little potatoes bearing.

:arrow_right: Cure The Cut Pieces

Cure the cut pieces next. Set them out in the sun for three to five days, or put them on a table or counter in a warm (approximately 70°F), fairly light environment. This stage allows the cuts to harden into calluses. Seed potatoes that have been calloused will assist avoid decay.

:arrow_right: How And When To Plant Potatoes?

In a 6-inch-deep hole or trench, plant seed potato segments cut-side down (eyes up). On all sides, space each piece 12 inches apart. Sprinkle 2 teaspoons of a low-nitrogen, high-phosphorous fertilizer between each section.

After that, cover both the potatoes and the fertilizer with two inches of dirt and thoroughly moisten the soil. When is the best time to grow potatoes? Depending on where you reside, this will be different.

Planting occurs around Valentine’s Day in warm climes, whereas planting occurs around Easter or early spring in colder climates. Aim for 3-4 weeks before your latest frost date as a general rule of thumb.

:arrow_right: Hill Around The Stems

The vines must be “hilled” because new potatoes develop on lateral stems, or “stolons,” above the seed potato. When the green sprouts reach 8 inches in height, cover them with dirt, chopped straw, or shredded leaves, save for the top 4 inches.

When the potato plants have grown another 8 inches, hill them again. The more hills you plant, the more fruitful your harvest will be. Mine is normally hilled to a height of 18 inches for me. When the vines blossom, it’s time to stop hilling.

Potato tubers, like vampires, need darkness to survive. If they are exposed to light, they will become green. A green potato, on the other hand, may make you ill if you eat it. As a result, it’s critical to keep the tubers covered with soil or mulch.

:arrow_right: How And When To Harvest Potatoes

If you reach into the soil or mulch two weeks after the vines have bloomed, you may recover a few tiny potatoes. Otherwise, you’ll have to wait till the vines have died back. The tubers have achieved maturity when the vines die.

With your hands, reach into the earth and pull the tubers up. Small young potatoes may be harvested as early as 10 weeks after planting. Full-sized potatoes, on the other hand, require roughly 80-100 days to mature.

:arrow_right: Store Your Potatoes

Because I cultivate potatoes for storage, I keep them in the ground until the weather cools down. Why? Because potatoes can only be stored if they are kept in a cool, but not freezing, environment. My mudroom’s closet doesn’t cool down until the outside temperature drops to 45° at night.

So harvest season for me is normally in late October on a beautiful day. After excavating the tubers, I let them dry for a few hours on top of the raised beds, as shown. This short drying time toughens and prepares their skin for preservation. The tubers are then carefully brushed free of any loose dirt and placed in double-thickness paper bags.

:round_pushpin: How Long Does It Take To Grow Potatoes?

New potatoes may be harvested 10 weeks after planting, while mature potatoes might take anywhere from 75 to 130 days, depending on the type.

:writing_hand: Summary

How long does it take to grow potatoes? Potatoes are a root vegetable native to the Americas. Small young potatoes may be harvested as early as 10 weeks after planting. Full-sized potatoes, on the other hand, require roughly 80-100 days to mature.

How and when to plant potatoes is a matter of personal preference. Potato vines must be hilled to a height of 18 inches. When the vines blossom, it’s time to stop hilling. Potato tubers need darkness to survive; if they are exposed to light, they will become green. They must be stored in a cool, but not freezing, environment.

:round_pushpin: Variety Of Potatoes

There are 3 varieties of potatoes:

:arrow_right: Early Variety Of Potatoes

This kind of potatoes matures faster, and they are usually completely developed and available in less than 90 days! They’re an excellent potato to grow if you live in a chilly climate or need a quick harvest.

These are some of the most popular potatoes, and you may have heard of King Harry potatoes, Caribe potatoes, and Red Norland potatoes.

:arrow_right: Midseason Variety Of Potatoes

From sowing to full maturity, potatoes in this category normally require roughly 100 days. They’re great if you live in a hotter climate, and they’re very normal.

:arrow_right: Late Variety Of Potatoes

Late-variety potatoes develop in around 110 days, making them the most time-consuming to raise. They’re perfect for hot regions, and since they bloom later in the season, they’re fantastic for preserving throughout the winter. This is because they survive much longer after harvest than other varieties of potatoes.

:round_pushpin: Culinary Uses Of Potatoes

Potatoes may be cooked in a variety of ways, including skin-on or peeled, whole or sliced up, with or without spices. Most potato meals are served hot, although others, such as potato salad and potato chips, are cooked first and then served cold.

Mashed potatoes are boiled (usually peeled) and then mashed with milk or yogurt and butter; whole baked potatoes; boiled or steamed potatoes; French-fried potatoes or chips; cut into cubes and roasted; scalloped, diced, or sliced and fried (home fries); grated and formed into dumplings, Rösti, or potato pancakes.

Potatoes, unlike many other foods, may be cooked in the microwave while retaining virtually all of their nutritional content if wrapped in invented plastic wrap to prevent moisture from escaping.

:round_pushpin: Other Uses Of Potatoes

  • Potatoes are used to make vodka, pitchmen, and akvavit, among other alcoholic drinks.

  • They’re also fed to domesticated animals.

  • In the culinary sector, potato starch is used as thickeners and binders in soups and sauces, as well as in the textile industry as adhesives and in the production of papers and boards.

  • Companies in Maine are looking into the possibility of producing polylactic acid from discarded potatoes for use in plastic goods, while other research groups are looking at utilizing the starch as a basis for biodegradable packaging.

:writing_hand: Summary

Potatoes are used to make vodka, pitchmen, and akvavit, among other alcoholic drinks. They are also used in the textile industry as adhesives and in the production of papers and boards.

:round_pushpin: Disease Of Potatoes

Pest/DiseaseType
AphidsInsect
Blight (early)Virus
Blight (late)Insect
Colorado potato beetlesInsect
Flea beetlesInsect
LeafhoppersInsect
Potato scabBacteria
Tomato hornwormsInsect
WhitefliesInsect
WirewormsInsect

:round_pushpin: Frequently Asked Questions (FAQs)

People usually ask many questions about “how long does it take to grow potatoes?”, some of the related questions are given below:

:one: Which potato is the healthiest?

The Red Potato is the healthiest. With data from the USDA Food Database, red potatoes are the healthiest potato after taking into consideration mineral density, vitamin density, macronutrient balance, sugar-to-fiber ratio, sodium-to-potassium ratio, and phytochemical profile.

:two: How many potatoes will one plant produce?

For your gardening efforts, you may expect to harvest five to ten potatoes per plant if all circumstances are good. Yields are determined by the amount of care you provide your plants throughout the growing season as well as the kind of potato you plant.

:three: How long do potatoes take to harvest?

Potatoes may be harvested as soon as they reach the desired size. Depending on the temperature and the potato type, “fresh” potatoes are usually available 60-90 days after planting. The emergence of blooms on the vines is one clue that young potatoes are ready.

:four: How many potatoes should I plant for a family of 4?

Start by planting 40 potato plants to feed a household of four. This will give you a potato-based supper two to three times a week. The 40 plants will feed you for up to six months. If you discover that 40 plants produce too many potatoes, you may plant less the next year.

:five: What month do potatoes grow?

Most gardeners plant in March, April, or May, depending on the weather, and anticipate a harvest four months later, beginning to dig fresh potatoes two to three weeks after the plants blossom. However, in mild-winter climates, some may be planted in the autumn.

:seven: Are potatoes perennial?

In warm regions, potatoes are perennial and may last for years. Tubers may put up new growth in the spring if the upper half of the plant is killed by the cold. Potatoes are grown as annuals, with tubers collected every year, particularly in colder locations.

:round_pushpin: Conclusion

How long does it take to grow potatoes? Potato tubers, like vampires, need darkness to survive. If they are exposed to light, they will become green. How and when to plant potatoes is a matter of personal preference.

Sprout-retardant-treated potatoes from the grocery store are not acceptable for planting. Potatoes may be cooked in the microwave while retaining virtually all of their nutritional content if wrapped in invented plastic wrap.

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