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How to grow asparagus

How to grow asparagus

Photo by Art Rachen on Unsplash

Asparagus is one of the most popular foods in the world. It's also relatively easy to grow, provided you know how to do it properly. In this article, we'll discuss everything you need to know about growing asparagus in your garden.

Know your climate

Asparagus is a perennial vegetable that can be grown in most climates. You just need to know your climate's temperature, humidity and light requirements to determine the best time of year to plant asparagus.

Asparagus prefers temperatures between 50°F (10°C) and 60°F (16°C). It doesn't like waterlogged soil or soggy roots, so make sure you plant it in well-drained areas. Once established, asparagus will tolerate some shade but prefers full sun for best results—so if you're growing it indoors near large windowsills or under grow lights, this shouldn't be a problem!

Pick a suitable variety

Selecting a suitable variety is crucial to successful asparagus production. Not all varieties are suited for growing in your climate, soil, or market.

  • Local climate: Asparagus can be grown in areas with cool winters and mild summers, but it does not tolerate hot weather. Choose varieties that are suitable for your region's climate.

  • Soil type: Some asparagus varieties grow well on sandy soils, while others prefer loam or clay soil types. Look for local recommendations before planting an unknown variety in your area; this will help ensure that you plant the right one!

Space plants properly

Asparagus is best grown in a row. The plants should be spaced 20-25cm apart, with rows at least 1m apart.

Ensure correct soil drainage

A good soil for asparagus has good drainage. In fact, the ideal soil for your plants will have very good drainage. Asparagus roots need to breathe, so they need a soil that won't become waterlogged. If the soil is poorly drained, it can cause the roots of your plants to rot and die off before they can produce fruit or seeds.

The best way to improve drainage in heavy clay soils is by adding organic matter such as compost or manure (or both). This will loosen up heavy clays so that excess water drains out instead of staying trapped in the top layers where it would otherwise stagnate in soggy conditions that make it hard for plant roots to absorb nutrients from their surroundings or grow deep enough into softer subsoil layers where they might access more moisture if necessary.

Temperature control

One of the most important factors in growing asparagus is temperature control. You should expect to maintain a minimum temperature of 4°C (40°F) and a maximum temperature of 22°C (72°F) during the day when your asparagus plants are actively growing. To achieve this, you have several options:

Polytunnels or greenhouses can be used to create an atmosphere similar to outdoor growing conditions, but with more protection from wind and rain.

Cloches or plastic sheeting can be placed over individual plants for protection if there is no suitable cover nearby. These materials can also be used for temporary shelter during cold weather periods when plants are dormant, such as in wintertime.

Row covers provide extra warmth by trapping heat from sunlight within their fabric layers; however, they must be removed at night so that temperatures do not rise too high overnight due to trapped heat inside the row cover material itself!

Water appropriately

Watering asparagus is tricky. Depending on the soil quality and weather conditions, you may need to water daily or every few days. If your asparagus has been in the ground for longer than a year, it will probably require regular watering.

Water deeply and infrequently. Asparagus should be watered deeply so that the entire root system is moistened and not just the top layer of soil. You can use a drip irrigation system or employ the "wet-feet" method where you insert a stake into each planting hole and run tubing up along both sides of each row; this will allow you to water all parts of your asparagus bed equally without disturbing it too much in order to reach areas that are poorly drained

Harvest at the correct time

You should harvest asparagus when the spears are about 3-4 inches tall. To harvest asparagus, use a knife to cut the spears at ground level. You can harvest asparagus every two weeks, but don't remove all of the spears at one time. In fact, it's better if you leave some behind so that your plant will have energy for next year’s crop!


Asparagus is not difficult to grow, but it does require a little patience. You can harvest the shoots from your plants whenever you like, but they will continue to grow for many years if left untouched. If you’re looking for an easy way to add some fresh green shoots into your diet, this may be just what you need!