Cardoons, which are known botanically as Cynara cardunculus, are a type of vegetable that can easily be grown at home. Continue reading to learn the basics of growing cardoons as well as common mistakes to avoid along the way.
Best Time to Plant Cardoons
This will depend largely on your local climate, but as a rule of thumb, begin to plant the cardoon seeds indoors 6-8 weeks before last frost, transplant outdoors after danger of frost has passed. This is the best time to ensure that the seedlings survive the weather.
To check when cardoons 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 Cardoons the Right Way
There are a number of things to consider that will help you avoid some of the common mistakes of growing cardoons in your home garden.
Often overlooked, your soil can have a huge impact on how well your cardoons grow. Generally, your soil should be well-drained and fertile. Soil PH levels should be around 6.0 to 7.0.
2″ apart in rows 18″ apart. 2″ apart in rows 36″ apart. The seeds should be sowed at a depth of about 10-12″. 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 cardoon seedlings 36-48″ apart when seedlings are 2-3″ tall.
How Much Sunlight is Needed to Grow Cardoons
The amount of sunlight is another key to a successful harvest. Too much sunlight will dry out your cardoons. Not enough sunlight will stunt your its growth or even kill it.
Ideally, your cardoons should be getting full sun
How Much to Water Cardoons
As you’ve figured by now, a lot can have an impact on how well your cardoons 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 cardoons 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 Cardoons to Germinate and Grow?
Now the fun part begins and you get to watch your cardoons grow.
It takes approximately 7-14 days to germinate, and a total of 100-120 days from seed to harvest.
When to Harvest Cardoons
The best time to harvest your cardoons is when the stalks are 12-18″ long and still tender.
Cardoons can grow up to about 36-60″ tall.
What Can Cardoons Be Used For?
Food Use: great for braising, frying, and as a vegetable side dish.
Flavor Profile: mildly bitter and similar to artichoke.
Can Cardoons Grow in Pots and Containers?
No, it is generally not advised to grow cardoons in pots or containers.
Are Cardoons Safe for Bees?
Yes, cardoons are safe for bees.
According to GreenPeace.org, 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 cardoons is bee-friendly.
