Answering: How Long Do Potatoes Take to Grow?

Before planting and harvesting potatoes, make sure you know how long do potatoes take to grow!

Growing potatoes is tricky when it comes to harvest time because they grow underground. You can’t see what you get until you pull out the plant, so you may ask yourself – how long do potatoes take to grow – to help you determine when should harvest potatoes.

Harvesting potatoes at the end of the season is one of my favorite gardening task. It’s like a little treasure hunt, and I get all of my kids involved. They get so excited when they pull up a large one since you won’t know what you get until you pull them up.

However, depending when to harvest potatoes is a tricky decision. You have to know how long do potatoes take to grow in your area and based on what type of potato plants you included in your garden.

The generalized answer is that potatoes take three to four months to grow, but that isn’t true for all types of potatoes. When you pick potatoes to grow, it’s essential to pick ones that grow within your growing season since some take up to 120 days (or longer).

Let’s take a further look into growing potatoes and how long potatoes take to grow.

How Long Does It Take for Potatoes to Sprout?

Before potatoes grow, they have to sprout first. The timing of sprouting depends on several factors like soil temperature, moisture level, and the quality of your soil.

Typically, potatoes take three to four weeks to sprout no matter where you plant them. As long as the soil temperature is between 60 to 65 degrees F, your seed potatoes should sprout quickly.

How Long Do Potatoes Take to Grow?

Potatoes take anywhere from 90 to 120 days to grow, and it fully depends on the type of potato and your growing climate. However, it also depends on when you harvest them and what your plans for your potatoes are.

New potatoes are great for dinners, and gardeners harvest new potatoes 10 weeks after planting. Grab some small potatoes and saut̩ up with bacon and green beans Рyum! Some people refer to these as baby potatoes; you can usually find baby potatoes in the store.

If you want full-sized potatoes for storage, that takes anywhere form 90 to 120 days, but other gardeners estimate the time frame is really closer to 75 to 130 days.

The timing of your harvest depends on many factors, such as temperature. Potato plants grow best between 66 and 70 degrees Fahrenheit. When the mature plants are exposed to temperatures higher than 80 degrees, they become discolored or woody. You ideally want to harvest before the hot weather sets in or after the hot weather leaves your area for a fall harvest.

Let’s take a look at the different types of potatoes you can grow in your garden and their days to maturity.

Related: How to Fertilize Tomato Plants for the BEST Harvest Ever!

3 Types of Potatoes

Potatoes are divided into three types: early, mid, and late season. The types are determined by how long it takes the plants to reach maturity and harvest time.

Let’s take a look at each type and some of the best varieties of each to grow.

Early Season Potatoes

As the name suggests, early season variety potatoes have the shortest days to maturity time. Most are full grown and ready to harvest within 90 days, assuming they have proper growing conditions. Some are ready in as little as 75 days!

Early season potatoes are great if you live somewhere with a shorter growing season or if you want a fast turnaround. Take a look at how many days you have in your growing season to decide if these work well in your area.

Early Season Potato Varieties to Try

There are plenty of awesome early season potato varieties I bet you would love to add to your garden. Here are a few options to consider.

  • Rocket: This is a fast growing potato variety.
  • Irish Cobbler: This is an heirloom potato variety with light brown skin and white flesh. It has a rich flavor and takes 70 days to harvest.
  • Red Norland: This variety only takes 70 days to mature, and it’s one of the most popular red-skinned potatoes, great for boiling and roasting.
  • Yukon Gold: A compact potato plant with delicious spuds. It produces large yellow-white potatoes that store well and have many versatile uses.
  • Orla: This variety is known for being resistant to blight, so if you struggle with that potato disease, it’s one to consider.

Mid-Season Potatoes

As the name suggestions, mid-season potatoes are in the middle of the road as far as days to maturity. These potatoes take an average of 100 days to reach full maturity, if grown in optimal conditions.

Mid-season potatoes are fairly standard and work well in warm to average regions.

Mid-Season Potato Varieties to Try

Here are some great mid-season potatoes to add to your garden.

  • Kipfler: These potatoes taste best when mashed.
  • French Fingerling: These are mid to late season potatoes that grow great in small spaces and have yellow flesh with pink skin.
  • Charlotte: You’ll find these potatoes have a bit of a waxy texture.
  • Kennebec: Here is an heirloom, midseason potato with light brown skin and white flesh. It’s known for being disease-resistant.

Late Season Potatoes

The last type of potatoes is late season potatoes that take around 120 days to mature. They take the longest to grow and work best in areas with longer growing season.

Late season potatoes grow best in warm climates because they thrive later in the season. Many of these potatoes are ideal for winter storage; they last longer after being harvested than other types if kept in the right conditions.

Late Season Potato Varieties to Try

Here are some late season potatoes to add to your garden, especially if you want some storage potatoes!

  • Russet: I bet you recognize these potatoes from the store. They have thick skin and fluffy flesh. Use these for mashing, making fries, and potato salads.
  • All Blue: This late season potato has purple skin with blue/white flesh. It’s high in antioxidants, great for boiling and roasting.
  • Russian Banana: These are some of the smallest potatoes, great for container gardening. They have yellow flesh and work great for boiling.
  • Purple Peruvian: This is an heirloom potato with deep purple skin and flesh with nutty flavor. It’s known for being drought and heat-tolerant.

Harvesting Potatoes

Gardeners harvest new potatoes, or baby potatoes, two weeks after the plants begin to flower. New potatoes are not ideal for storage; the skins are thin and peel away easily. The skin comes off with your fingernail

These potatoes are best used immediately. I like to harvest mine and use within two days for a meal I have planned.

If you want to harvest mature potatoes, make sure you have it marked on your garden planner when you put the plants into the ground. Harvest your mature potatoes about two weeks after the leaves turn brown and the plants begin to die back.

It’s a good idea to leave the potatoes in the ground or a few more weeks after this time frame because it thickens the skin. It allows potatoes to store for longer periods, ideal if you want to grow enough potatoes to last all winter long.

Curing potatoes is easy. You can either leave them outdoors for a few days to let the skins harden or bring the into your garage or covered porch. If it’s going to rain, they need to come inside because they have to stay dry.

Simply leave them out for a few days to a week in an area with good air circulation; this lets the skin dry and harden. Don’t remove the dirt on the outside of the potato, then store them in crates.

FAQs about Growing Potatoes

How Fast Do Potatoes Grow?

Potatoes grow between 75-130 days, but that’s quite a wide range. It’s possible to get potatoes to grow faster by allowing the seed potatoes to grow shoots before planting. This process is called chatting, and it helps potatoes grow faster.

If you want to chit your seed potatoes, put them in a well-lit spot for several weeks. The seed potatoes will sprout shoots over time, and watch for two strong shoots to develop. Remove any other shoots before planting, and make sure the shoots are pointing upwards when planted!

How Many Potatoes Do You Get Per Plant?

I wanted to grow a lot of potatoes this year, so I had to figure out how many potatoes will one plant produce.

The number of potatoes produced by each plant varies based on factors, such as the type of potato plants you grow and the conditions you grow it. As long as conditions are ideal, you should get five to ten potatoes per plant.

Hilling potatoes increases the number of potatoes per plant. This is when you hill dirt around the base of the plants to give more support and allow them to grow more. Potatoes form under the ground, at the base, so providing more space for them to grow increases your harvest amount.

Do Potatoes Need Full Sunlight?

I planted my potatoes in the wrong place this year because I didn’t account for the shade cast by my large mulberry tree. My plants still grew, but they took longer than I anticipated to grow.

That being said, potatoes grow in many conditions, even shady conditions, but if you want them to grow at optimal conditions, full sunlight is preferred. Potatoes enjoy sunlight and prefer to grow where they receive at least six hours of full sunlight per day.

So, when planning your garden and deciding where to plant potatoes, aim for somewhere that receives six to eight hours of sunlight each day. It’s possible to grow in other areas, but this is where your plants will grow the best.

What is the Best Month to Plant Potatoes?

Like all plants, potatoes have an ideal planting season, which helps them grow and thrive. That’s why you should know the best month to plant potatoes.

Picking when to plant potatoes depends on the type you want to plant. Early season potatoes grow best when planted in early spring, and you’ll harvest them quickly. Mid-season potatoes grow best when planted in the mid-spring season, while late varieties grow best when planted in the summer so they are harvested in the fall before winter.

In general though, potatoes are considered a cool weather veggie and grow best when planted in the spring time.

Can You Eat Potatoes Right After Harvest?

Yes! You can go outside, harvest potatoes, and eat them for dinner that night.

However, potatoes are typically cured for storage during the winter months. If you want to save your potatoes for storage, you will need to cure them before stacking them in storage crates.

I often run outside and harvest some potatoes for dinner that night. Just make sure you scrub off the dirt first!

The answer to how long do potatoes take to grow is between 70-130 days, but that’s a big time range. How long it takes your potato plants to reach harvesting is based on the type of potatoes you grew that year, so make sure you pay attention to the days to maturity when picking a type of seed potato.

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