Richters ProGrowers Info

Richters ProGrowers Info

  Calendula (C. officinalis)
Market Products:   (flower);   (flower);     Market size: 880 hectares (world), 200 ha (North America)   Prospects: prices stable, volume stable
Culture Seed density: 150 seeds/gram   Exposure: full sun   Soil: well-drained; can tolerate poor soil with low nitrogen.   Crop duration: 1 year
    Sowing rate: 3-9kg/ha (direct), 1kg/ha (indirect in plugs).   Planting: sow direct in field in spring or autumn; or sow in plugs 4-6 weeks before field planting. Seeds need light to germinate; cover seeds lightly or press in soil only.   Field spacing: 20-70cm between rows x 10-30cm within rows.   Yield: dry flower 1-2,000kg/ha, fresh flower 6-9,000kg/ha (year 1).   Pests: blister-beetle, cabbage-looper, caterpillar, leafhopper   Diseases: leaf spot, aster-yellows.  
  Sowing rate: 15g/1000plants.   Planting: sow in plugs or direct in pots 10-12 weeks before sale.   Seeds to finished plugs: 4-6 weeks.   Plugs to saleable plants: 6 weeks.   Pests: whitefly, aphid, thrip, mealybug   Diseases: powdery mildew.  
– Dried Production     – Fresh Production     – Oil Production     – Potted Plant Production    

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