Hydroponic Cultivation of Medicinal Plants and Essential Oils

Hydroponic cultivation—soil-free growth of plants in nutrient solutions—has emerged as a powerful platform for producing medicinal botanicals and high-value essential oils under tightly controlled conditions. By decoupling plant roots from soil, growers can fine-tune nutrient compositions, pH, light spectra and temperature to maximise the synthesis of target secondary metabolites such as alkaloids, terpenoids and aromatic volatiles. These systems range from nutrient film technique and deep-water culture to more complex vertical-farm configurations, allowing year-round production independent of climate and arable land availability. Hydroponics also reduces the risk of soil-borne pathogens and pesticide residues, while optimising resource use efficiency through precise fertigation and closed-loop water recirculation. Recent advances in sensor technology, automation and data-driven modelling have accelerated the identification of species-specific growth recipes, enabling consistent yields of phytochemicals for pharmaceuticals, nutraceuticals and cosmetics. Integration with renewable energy and circular-economy principles—for example, by co-cultivating algae or fish in aquaponic hybrids—further enhances sustainability. Collectively, these developments position hydroponic platforms as vital contributors to global medicinal-plant supply chains and as testbeds for unlocking novel bioactive compounds.

Research from Nature Portfolio

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Hydroponic Cultivation of Medicinal Plants and Essential Oils publication trend

The graph below shows the total number of articles in hydroponic cultivation of medicinal plants and essential oils across all publications each year (not limited to Nature Index journals).

Technical terms

Hydroponics: Soilless cultivation of plants in water-based nutrient solutions, enabling precise control of root environment and resource use.

Aquaponics: A hybrid system combining hydroponics and aquaculture, wherein fish waste provides nutrients for plant growth, and plants filter the water for aquatic animals.

Secondary metabolites: Organic compounds not directly involved in primary growth (e.g., photosynthesis or respiration) but often responsible for a plant’s medicinal or aromatic properties.

Essential oils: Concentrated hydrophobic liquids containing volatile aromatic compounds extracted from plant tissues, widely used in pharmaceuticals, cosmetics and flavourings.

Volatile profile: The spectrum and relative abundance of volatile organic compounds emitted by a plant, critical for aroma and therapeutic applications.

References

1. Hydroponic Cultivation of Medicinal Plants—Plant Organs and Hydroponic Systems: Techniques and Trends. Horticulturae (2023).
2. A comprehensive review of factors affecting growth and secondary metabolites in hydroponically grown medicinal plants. Planta (2025).
3. Assessment of the N-Alkylamide Content and Volatile Profiles in Two Cultivars of Acmella oleracea (L.) R.K. Jansen Grown in Aquaponics. Plants (2025).