About This Plant
St. John's Wort is a perennial medicinal herb known for its bright yellow flowers and use as an antidepressant. It is typically grown for its flowering tops, which contain the active compounds hypericin and hyperforin. It thrives in temperate climates and can be grown in soil or hydroponic systems, with a total growing cycle of approximately 108 days to first harvest.
This plant hasn't been fully researched yet. Some growing data may be incomplete or missing.
How to Grow St. John's Wort
Learn how to grow St. John's Wort from seed to harvest in 108 days. Intermediate difficulty. Complete nutrient guide, pH/EC requirements, and growing conditions for hydroponics, soil & greenhouse.
Nutrient Requirements by Growth Stage
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Hydroponic System Compatibility
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