Medicinal & Aromatic· Calendula officinalis
Guide de culture du Calendula
Annual herb with bright orange-yellow flowers cultivated for medicinal use in skin preparations, wound healing, and anti-inflammatory products. Also used as a natural food colorant.
Conditions de croissance
Exigences du sol
Type de sol et pH
Meilleurs types de sol : loam, sandy loam, clay loam
Plage de pH : 5.5 - 7.5 (optimal : 6.5)
Drainage : good
Besoins en nutriments (N-P-K)
Guide de plantation
Rendement et économie
Ravageurs et maladies courants
Ravageurs courants
- aphids
- whiteflies
- slugs
Maladies courantes
- powdery mildew
- downy mildew
- leaf spot
Utilisez la pour identifier les problèmes tôt et prévenir les pertes de récolte.
Conseils de culture
Deadhead regularly or harvest flowers frequently to encourage continuous blooming throughout the season.
Harvest fully open flowers on dry mornings after dew has evaporated; dry at temperatures below 40C to preserve active compounds.
Calendula tolerates light frost and can be succession-sown every 2-3 weeks for extended harvest periods.
Questions fréquentes
How long does Calendula take to grow?
Calendula typically takes 50 days from planting to harvest. Seeds germinate in about 7 days. The best planting season is spring, fall.
What soil does Calendula need?
Calendula grows best in loam, sandy loam, clay loam soil with a pH of 5.5-7.5. Good drainage is required.
What temperature does Calendula need?
Calendula grows best at 10-25°C. Frost tolerance: light. Heat tolerance: low.
What is the expected yield for Calendula?
Calendula yields approximately 2,000 kg dried flowers/hectare under good conditions. Multiple harvests per year are possible (4).
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Termes agronomiques clés
Les concepts agricoles essentiels, expliqués simplement.
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