How to Grow Jerusalem Artichokes – A Beginner’s Guide

jerusalem artichokes plant growing in garden
Jerusalem artichokes, which are known botanically as Helianthus tuberosus, are a type of vegetable that can easily be grown at home. Continue reading to learn the basics of growing jerusalem artichokes as well as common mistakes to avoid along the way.

Best Time to Plant Jerusalem Artichokes

This will depend largely on your local climate, but as a rule of thumb, begin to plant the jerusalem artichoke seeds plant tubers directly outdoors in early spring. This is the best time to ensure that the seedlings survive the weather.

To check when jerusalem artichokes are most likely to thrive in your area, see the USDA Plant Hardiness Zone Map. If you live outside the US, do a quick search for ‘plant hardiness zone + [city]’.

How to Plant Jerusalem Artichokes the Right Way

There are a number of things to consider that will help you avoid some of the common mistakes of growing jerusalem artichokes in your home garden.

Often overlooked, your soil can have a huge impact on how well your jerusalem artichokes grow. Generally, your soil should be well-drained and fertile. Soil PH levels should be around 6.0 to 7.5.

1″ apart in rows 18″ apart. plant tubers 12-18″ apart in rows 36″ apart. The seeds should be sowed at a depth of about 12-15″. For each plant, be sure to sow at least a few seeds to ensure that at least one of them will germinate.

Begin thinning your jerusalem artichoke seedlings 12-18″ apart when planting tubers.

How Much Sunlight is Needed to Grow Jerusalem Artichokes

The amount of sunlight is another key to a successful harvest. Too much sunlight will dry out your jerusalem artichokes. Not enough sunlight will stunt your its growth or even kill it.

Ideally, your jerusalem artichokes should be getting full sun

How Much to Water Jerusalem Artichokes

As you’ve figured by now, a lot can have an impact on how well your jerusalem artichokes do, and the amount of water is no different.

Ideally, the soil should be damp to touch; not soggy or bone dry. If the leaves on your jerusalem artichokes begin to change colors or start to look droopy, you need to adjust how much water you’re giving it.

Unfortunately, if you give it too much or too little water, you can kill it, so it’s best to just keep an eye on it and water as needed.

How Long Does it Take Jerusalem Artichokes to Germinate and Grow?

Now the fun part begins and you get to watch your jerusalem artichokes grow.

It takes approximately n/a to germinate, and a total of 90-120 days from seed to harvest.

When to Harvest Jerusalem Artichokes

The best time to harvest your jerusalem artichokes is after the first frost in the fall, or in early spring before new growth starts.

Jerusalem artichokes can grow up to about 6-10′ tall.

What Can Jerusalem Artichokes Be Used For?

Food Use: great for roasting, boiling, frying, and pickling.

Flavor Profile: nutty and slightly sweet.

Can Jerusalem Artichokes Grow in Pots and Containers?

No, it is generally not advised to grow jerusalem artichokes in pots or containers.

Are Jerusalem Artichokes Safe for Bees?

Yes, jerusalem artichokes are safe for bees.

According to, bees pollinate human food crops that make up about 90% of the world’s nutrition.

Given their importance in our ecosystem and food supply, I feel it is important to note that growing jerusalem artichokes is bee-friendly.

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