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A fantastic and highly overlooked hydroponic crop for startups, especially for growers looking to diversify away from legal cannabis or broaden their horticultural portfolio.
That crop is cardoon.
Cardoon (Cynara cardunculus var. altilis) is a close relative of the globe artichoke. Imagine a giant architectural thistle with huge silver leaves and dramatic flower spikes. But here’s the key difference:
👉 Unlike artichoke, you don’t need it to flower.
👉 Only the young vegetative stalks (petioles) are harvested and eaten.
This makes cardoon ideal for hydroponics, because you can:
And cardoon produces a huge amount of biomass very quickly under the right conditions.
Cardoon is central to Lyonnaise cuisine, originating from the gastronomic capital of France => Lyon.
Chefs trained in this region know the ingredient well.
But here’s the opportunity:
👉 Fresh cardoon is barely available outside France.
👉 Michelin-star chefs will pay a premium for authentic, fresh stalks.
If you can provide a reliable, year-round supply grown in a controlled environment, you instantly stand out.
In nature, cardoon grows:
But in a hydroponic grow room?
🌱 You can produce fresh cardoon 12 months a year.
🌱 You can stagger plantings for continual harvest.
🌱 Growth rates may even double under optimized hydroponic conditions.
Cardoon needs:
This makes it ideal for growers who already have:
If legal cannabis prices in your region have crashed (as in many markets), cardoon offers a unique diversification pathway.
You don’t even need to buy seed.
Cardoon produces a thick, hardy rhizome that can be chopped up to create multiple new plants. It’s extremely vigorous, almost too vigorous.
(As I mention in the podcast, I’m actually trying to kill mine after 10 years, and it still keeps coming back!)
Beyond selling fresh stalks to high-end restaurants, hydroponic growers could also:
Cardoon looks spectacular in gardens and is often sold as an ornamental. Garden centres will gladly take well-grown young plants.
Once you’ve mastered cardoon nutrition and environmental settings, transitioning to globe artichoke becomes much easier.
Cardoon is used in:
If you’re in regions like New York with a large Sicilian diaspora, this becomes an additional market opportunity.
Cardoon is impressively hardy. In 10 years of growing it outdoors, I’ve experienced:
The main pest?
🐌 Snails. Not slugs. Snails.
For them, Etrema’s Slugger product works brilliantly—and for the ones you pick up manually, they must be dispatched quickly and humanely (molluscs can feel pain due to opioid receptors). But if you are into French cuisine, you may be able to harvest a second crop of escargot!
To summarise, cardoon is:
If the legal cannabis market in your area has softened, cardoon is a unique, premium, underexploited crop that could help future-proof your growing operation.
And if this idea makes you millions, remember who told you first!
At Eutrema.co.uk, we manufacture:
All formulated in-house and uniquely available from us.
Whether you’re growing cardoon, ornamentals, or leafy greens, our products can help you push growth, quality and resistance to the next level.
Article by Dr Russell Sharp
If you would like to keep up to date with subjects just like this, you can listen to both our podcasts! Links can be found bellow:
Hydroponics Daily Podcast: https://podcasts.apple.com/us/podcast/hydroponics-daily/id1788172771
Cereal Killers Podcast: https://podcasts.apple.com/us/podcast/cereal-killers/id1695783663