St. John's Wort Seeds


Hypericum perforatum

Yellow flowering herb often used for landscaping grows up to 3' tall. Used to enhance mental well-being. Seeds benefit from cold stratification. Needs light to germinate so sow on soil surface and press lightly, but do not cover. Full sun. Drought-tolerant. Frost hardy perennial. 
  • Planting Information
Average Seed / ozSeed / 100' RowAverage Yield / 100' RowDays to Harvest
Planting SeasonIdeal Soil TempSunFrost Tolerance
After Last Frost65-80°FFull SunFrost Sensitive
Sowing MethodSeed DepthDirect Seed Spacing

Min. Seeds 

Per Packet

Transplant or Direct Seedsurface3-4"300
Mature SpacingDays to SproutProduction CycleSeed Viability
12-18"14-30Perennial2-3 years