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Claims that hydroponically grown crops are artificially flavoured or nutritionally inferior refuse to go away. They surface regularly on social media, often repeated with confidence but little evidence.
In this blog we explain why they’re scientifically incorrect, where the confusion comes from, and what the research actually shows about flavour, micronutrients, and hydroponic growing systems.
A common accusation is that hydroponic fruits and vegetables:
None of these claims stand up to scrutiny.
Micronutrient levels in food can be measured very accurately using established techniques such as atomic absorption spectroscopy (AAS); a standard method used in universities and commercial laboratories worldwide.
There is nothing mysterious or unmeasurable about hydroponic produce.
This is the key question, and the short answer is: not in any meaningful or practical way.
There is no credible scientific evidence that hydroponic crops are:
In reality, doing this would be extremely difficult, expensive, and commercially pointless.
Some studies have explored increasing electrical conductivity (EC) in nutrient solutions to raise sugar levels (°Brix) in crops like:
While higher EC can sometimes intensify flavour:
This is crop steering, not artificial flavouring.
Light spectrum, intensity, and UV exposure can influence:
Again, this is not artificial flavouring. It’s normal plant physiology responding to its environment; no different in principle from field crops exposed to sunlight.
Some biostimulants claim to improve flavour or sugar content. However:
Common inputs like:
may improve plant vigour or nutrient uptake, but they are not flavour additives.
Even manufacturers who produce these products generally avoid claiming direct flavour enhancement, because the evidence isn’t strong enough.
A small number of niche products, mostly in the legal cannabis sector, contain natural flavour compounds such as esters or polyphenols. These products are not primarily designed to flavour crops, but to:
Whether these compounds meaningfully alter flavour remains highly debated, even among growers themselves.
They are the exception, not the rule, and they are not used in mainstream food production.
In some cases, hydroponic systems may actually enhance natural flavour compounds.
Why?
This can lead to equal or higher levels of secondary metabolites compared to field-grown crops; especially those grown under plastic tunnels that block UV light.
A key point often overlooked:
Most commercial strawberries are now grown hydroponically.
There was no consumer backlash. No flavour crisis. No riots.
That’s because hydroponically grown strawberries:
If hydroponic crops were genuinely artificial or flavourless, consumers would have noticed long ago.
When someone claims that hydroponic, greenhouse, or vertical farm crops are artificially flavoured, the correct response is simple:
There is no evidence to support that claim.
Hydroponic crops are:
Artificial flavouring isn’t happening, and even if it were possible, it would make little sense for farmers or consumers.
Good genetics, good nutrition, and good growing conditions are more than enough.
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