asparagus in pot

How to Grow Asparagus in Pots


Asparagus is a delicious vegetable that can be easily grown in pots. Asparagus is a nutrient-dense vegetable that is low in calories but high in fiber, vitamins, and minerals.

Here are some of the key nutrients found in a 1-cup serving (134 grams) of cooked asparagus:

  • Calories: 27
  • Protein: 2.9 grams
  • Fat: 0.2 grams
  • Carbohydrates: 5.2 grams
  • Fiber: 2.8 grams
  • Vitamin K: 55% of the Daily Value (DV)
  • Folate: 34% of the DV
  • Vitamin C: 18% of the DV
  • Vitamin E: 11% of the DV
  • Iron: 12% of the DV
  • Vitamin A: 10% of the DV
  • Potassium: 6% of the DV
  • Phosphorus: 6% of the DV

Asparagus is also a good source of antioxidants, including flavonoids, polyphenols, and vitamins A and C, which help protect the body against oxidative stress and inflammation.

It is also rich in prebiotic fiber, which supports the growth of beneficial bacteria in the gut and may improve digestive health.

Overall, asparagus is a nutritious and delicious vegetable that can be enjoyed in a variety of dishes, from salads and soups to stir-fries and roasted vegetable medleys.

Asparagus is a perennial vegetable that can grow for many years, producing tender shoots that are a great addition to salads, soups, and other dishes. Growing asparagus in pots is a great way to enjoy fresh, homegrown asparagus even if you have limited space.

Choosing the Right Pot

When growing asparagus in pots, it’s important to choose the right container. Asparagus plants have deep roots, so the pot should be at least 18 inches deep.

It’s also important to choose a pot that is wide enough to accommodate several asparagus crowns. A pot that is at least 16 inches in diameter is recommended.

You can use a plastic or clay pot, but make sure it has good drainage holes to prevent waterlogging.

Preparing the Soil

Test the Soil pH

Asparagus grows best in soil with a pH level between 6.5 and 7.5.

You can test the soil pH using a soil testing kit, which is available at most garden centers or online.

If the soil pH is too low (acidic), you can raise it by adding lime. If the pH is too high (alkaline), you can lower it by adding sulfur.

Add Organic Matter

Asparagus prefers soil that is rich in organic matter, which helps retain moisture, improves soil structure, and provides nutrients.

You can add organic matter to the soil by mixing in compost, well-rotted manure, or leaf mold.

Spread a 2 to 3-inch layer of organic matter over the planting area and work it into the soil to a depth of at least 8 inches.

Amend the Soil with Nutrients

Asparagus is a nutrient-loving vegetable that requires a rich soil to grow well.

Before planting, amend the soil with a balanced fertilizer that contains nitrogen, phosphorus, and potassium.

You can use a slow-release fertilizer, which will release nutrients gradually over time, or a quick-release fertilizer, which will provide an immediate boost of nutrients.

Planting Asparagus Crowns

Asparagus is usually grown from crowns, which are the root systems of mature asparagus plants.

You can purchase asparagus crowns from a garden center or nursery.

Plant the crowns in early spring, about 6 to 8 inches apart, and about 2 inches deep.

Make sure the crown is facing upward and cover it with soil. Water the soil well after planting.

Caring for Asparagus Plants

Asparagus is a hardy and long-lived perennial vegetable that requires minimal care once established.

However, there are a few important things to keep in mind to ensure that your asparagus plants grow strong and healthy, and produce a bountiful harvest of delicious and nutritious spears.

Here’s how to care for asparagus plants.


Asparagus plants require regular watering, especially during hot and dry weather.

Water deeply once or twice a week, depending on the soil moisture.

Be careful not to overwater, as this can cause the crowns to rot.

To conserve moisture and control weeds, mulch the soil around the plants with a layer of organic matter, such as straw, hay, or grass clippings.


Asparagus is a nutrient-loving vegetable that requires a rich soil to grow well. Before planting, amend the soil with a balanced fertilizer that contains nitrogen, phosphorus, and potassium.

Once the asparagus plants are established, you can fertilize them in the spring with a high-nitrogen fertilizer, such as blood meal or fish emulsion.

Apply the fertilizer according to the package instructions, and water it in well.

Weed Control

Asparagus plants don’t compete well with weeds and other plants for nutrients, so it’s important to keep the planting area weed-free.

Use a hoe or a hand cultivator to remove any weeds or grass that are growing around the asparagus plants.

You can also use a weed barrier, such as landscape fabric or cardboard, to prevent weeds from growing.


Harvesting asparagus at the right time is important to ensure that the plants continue to produce new spears.

In the first year, avoid harvesting any asparagus spears, as this allows the plants to establish a strong root system.

In the second year, you can harvest a few spears, but only for a few weeks.

In subsequent years, you can harvest asparagus for about 6 to 8 weeks, until the spears become thin and spindly.

To harvest asparagus, snap or cut the spears at ground level, being careful not to damage the emerging spears.

Disease and Pest Control

Asparagus is generally a disease-resistant vegetable, but it can be susceptible to some pests and diseases, such as asparagus beetle, rust, and fusarium.

To prevent these problems, keep the planting area clean and weed-free, and remove any diseased or infested foliage.

You can also use organic pest and disease control methods, such as insecticidal soap or neem oil, to control pests and diseases.

Overwintering Asparagus Plants

In cold climates, asparagus plants need to be protected from frost during the winter.

Move the pots to a sheltered location or cover them with a frost blanket.

Stop watering the plants after the first frost and cut back the foliage to a few inches above the soil level.

In the spring, the plants will begin to grow again, and you can resume regular watering and fertilizing.

Last Words

Growing asparagus in pots is a great way to enjoy fresh, homegrown asparagus even if you have limited space.

By choosing the right container, preparing the soil, planting the crowns, and providing regular care, you can grow healthy and delicious asparagus plants in your own backyard.

With a little bit of patience and attention, you can enjoy the bounty of your asparagus harvest for many years to come.