Description
Calendula officinalis is used to treat skin problems and pain, such as bactericide, antiseptic and anti-inflammatory. The petals and pollen contain triterpenoid esters (anti-inflammatory) and the carotenoids flavoxanthin and auroxanthin (antioxidants and origin of the yellow-orange color). The leaves and stems contain other carotenoids, especially lutein (80%) and zeaxanthin (5%) and beta-carotene. Plant extracts are also widely used in cosmetics, presumably due to the presence of compounds such as saponins, resins and essential oils.
Calendula officinalis is a plant that, since 2009, has been recognized by the Ministry of Health of Brazil as having phytotherapic properties.
In addition, marigold is present in the formula of some shampoos for light hair, as it is known that the extract of this plant contains, as well as chamomile and macela, a yellow pigment responsible for accentuating the color of hair from light brown tones to blonde giving them golden reflections in a natural and gradual way.
Germination Guide
🌍 Southern Europe and Eastern Mediterranean
Easy
Calendula officinalis, commonly known as pot marigold, is an annual herb in the daisy family native to southern Europe and the Mediterranean region. This easy-to-grow flower has been cultivated for centuries for both ornamental and medicinal purposes, producing bright yellow to deep orange daisy-like blooms. Seeds germinate readily in cool to moderate temperatures and require darkness during germination, making it an excellent choice for beginning gardeners.
Germination
Germination time
Expect germination in
7 – 14 days
Temperature
Min 2°C
Ideal 16°C
Max 32°C
Light
🌑 Darkness required
Substrate moisture
💧 Medium
Sowing depth
Lightly covered
Substrate & Container
Recommended substrate
Well-drained seed starting mix or fertile soil
Recommended container
Seed trays, pots, or direct sowing in garden beds
Growing Tips
Sow seeds 1/4 inch deep and keep soil moist but not waterlogged; maintain darkness during germination and provide bright light once seedlings emerge. Seeds germinate best at 16-17°C (60-70°F) and must be kept below 30°C to prevent germination failure. Press seeds gently into soil after sowing. Avoid temperatures above 30°C during germination, as heat stress significantly reduces viability. Direct sow in early spring after last frost or start indoors 6-8 weeks before transplanting. Thin seedlings to 8-12 inches apart. Calendula performs best in cool weather and may stop blooming during intense summer heat.
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