Pot Marigold (Calendula officinalis)

Pot Marigold

Calendula officinalis

Cheerful golden blooms brighten borders, a sunny staple for pollinators. Annual or short-lived perennial herb; common name: pot marigold.

Full sun
1–2/week
Beginner
🌱

Plant Needs

☀️
Sunlight Full sun to partial shade; tolerates mild afternoon shade in hot climates to prevent bloom scorching
💧
Watering Water deeply when the top 2–3 cm of soil is dry; avoid overwatering to prevent root rot
🌡️
Temperature Hardy to light frosts; thrives in 15–25°C; avoid prolonged exposure to temperatures above 32°C
🔍

Characteristics

  • Leaf: Oblong to lanceolate, slightly hairy, pale green with toothed margins
  • Flower: Daisy-like composite blooms in yellow, orange, or cream; 5–10 cm diameter
  • Stem: Erect, branched, slightly succulent with fine pubescence
🛠️

Care Guide

Watering

Keep soil consistently moist but not waterlogged; water early morning to reduce fungal disease risk

Fertilization

Apply balanced diluted feed every 2 weeks. Use low-nitrogen feed to prioritize flower production over foliage growth

Banana peel tea:Soak 2–3 chopped banana peels in 1L water for 3 days; strain thoroughly and use to water the base of plants to avoid foliage damage
Pruning
  • Deadhead spent blooms regularly to encourage continuous flowering throughout the growing season
  • Trim leggy stems mid-season to promote bushier, more compact growth
  • Remove yellowing or damaged leaves to improve airflow and reduce disease risk
⚠️

Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic; no adverse effects from ingestion

Humans: Non-toxic to humans; edible petals are safe for culinary use

📖

Garden Uses & Culture

Culture: Symbolizes warmth, healing, and remembrance; historically used in wedding and funeral ceremonies

Usage: Ornamental garden plant; edible petals for salads, teas, and natural dyes; herbal remedy for minor skin irritations