Planting Potatoes in Colorado: A Complete Guide



Potatoes are one of the most popular vegetables in the world, and for good reason. They are easy to grow, highly nutritious, and extremely versatile in the kitchen. Colorado, with its high altitude and dry climate, can be a challenging place to grow potatoes, but it is possible with the right techniques and knowledge. In this article, we will guide you through the process of planting and growing potatoes in Colorado.

The Best Time to Plant Potatoes in Colorado

The best time to plant potatoes in Colorado is in late April or early May. This is when the soil temperature is around 50°F, which is ideal for potato seed germination. If you plant too early, the soil will be too cold and the seeds won’t sprout. If you plant too late, the plants won’t have enough time to mature before the first frost.

Preparing the Soil

Before planting potatoes, it is important to prepare the soil properly. Colorado soil can be quite alkaline, so it’s a good idea to test the pH level and adjust it if necessary. Potatoes prefer slightly acidic soil, with a pH level between 5.5 and 6.5.To prepare the soil, start by removing any rocks, weeds, or other debris. Then, add compost or well-rotted manure to the soil to improve its texture and fertility. You can also add bone meal or rock phosphate to provide extra phosphorus, which is essential for potato growth.

Choosing the Right Seed Potatoes

When choosing seed potatoes, it’s important to select high-quality, disease-free tubers. Look for certified seed potatoes, which have been inspected and tested for diseases such as potato virus Y and potato scab.It’s also important to choose the right variety of potato for your growing conditions. In Colorado, early-maturing varieties such as Yukon Gold and Red Pontiac are recommended, as they can mature before the first frost.

Planting the Potatoes

To plant potatoes, dig a trench about 6 inches deep and 3 inches wide. Place the seed potatoes in the trench, with the eyes facing up, about 12 inches apart. Cover the potatoes with soil, leaving a small mound on top.As the plants grow, continue to mound soil around them to protect the developing tubers from sunlight. This will prevent the potatoes from turning green and becoming toxic.

Caring for the Plants

Potatoes require consistent moisture to grow properly, so it’s important to water them regularly. However, be careful not to overwater, as this can lead to rot and disease.It’s also a good idea to fertilize the plants with a balanced fertilizer, such as a 10-10-10 blend, every 4-6 weeks. This will provide the plants with the nutrients they need to grow strong and healthy.

Harvesting the Potatoes

Potatoes can be harvested when the plants begin to die back and turn yellow. Carefully dig up the potatoes with a garden fork, taking care not to damage the tubers. Allow the potatoes to dry in a cool, dark place for a few days before storing or using.


Q: Can I grow potatoes in containers?

A: Yes, potatoes can be grown in containers, such as large pots or bags. Just make sure the containers have drainage holes and are filled with well-draining soil.

Q: How deep should I plant potatoes?

A: Potatoes should be planted about 6 inches deep.

Q: Can I use store-bought potatoes as seed potatoes?

A: It’s not recommended to use store-bought potatoes as seed potatoes, as they may be treated with chemicals to prevent sprouting. Certified seed potatoes are the best choice.

Q: How often should I water my potato plants?

A: Potato plants should be watered regularly, about once a week or more often in hot, dry weather.

Q: Can I plant potatoes in the same spot every year?

A: It’s not recommended to plant potatoes in the same spot every year, as this can lead to a buildup of disease and pests in the soil. Rotate your potato crop every year to a different spot in the garden.


Growing potatoes in Colorado can be a rewarding and satisfying experience, with the right techniques and knowledge. By preparing the soil properly, choosing the right seed potatoes, and caring for the plants, you can produce a bountiful harvest of delicious, nutritious potatoes. Happy planting!

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