North America Non-native Plant

Pot Marigold

Botanical name: Calendula officinalis

USDA symbol: CAOF

Life cycle: annual

Habit: forb

Native status: A waif, a non-native that isn't naturalized in Canada âš˜ Non-native, reproduces and persists in the wild in the lower 48 states  

Synonyms: Calendula officinalis L. var. prolifera hort. (CAOFP)   

Pot Marigold: A Cheerful Annual That Brightens Any Garden If you’re looking for a flower that combines beauty, usefulness, and easy care, pot marigold (Calendula officinalis) might just be your new garden favorite. Don’t let the name fool you—this isn’t actually a marigold at all! This charming annual brings months ...

Pot Marigold: A Cheerful Annual That Brightens Any Garden

If you’re looking for a flower that combines beauty, usefulness, and easy care, pot marigold (Calendula officinalis) might just be your new garden favorite. Don’t let the name fool you—this isn’t actually a marigold at all! This charming annual brings months of sunny blooms to gardens across North America, though it originally hails from the Mediterranean region.

What Is Pot Marigold?

Pot marigold, also known simply as calendula or Scotch-marigold, is a delightful annual forb that produces bright orange and yellow daisy-like flowers from spring until the first hard frost. The soft, slightly fuzzy green leaves create an attractive backdrop for the cheerful 2-3 inch blooms that seem to glow in the garden.

As a non-native species, pot marigold has naturalized in many areas across the United States and parts of Canada, including British Columbia, California, Nova Scotia, Ontario, Connecticut, Quebec, Maine, Massachusetts, Michigan, New Hampshire, New York, Ohio, Pennsylvania, Washington, Wisconsin, and Newfoundland. While it reproduces on its own in the wild, it’s not considered invasive or problematic.

Why Gardeners Love Pot Marigold

There are plenty of reasons why pot marigold has earned a spot in gardens worldwide:

  • Continuous blooms: Unlike many annuals that have short flowering periods, pot marigold keeps producing flowers from spring until frost
  • Pollinator magnet: Bees, butterflies, and other beneficial insects absolutely love these flowers
  • Edible flowers: The petals are completely edible and add a peppery flavor to salads
  • Low maintenance: Once established, it’s quite drought tolerant and thrives in poor soils
  • Self-seeding: It readily drops seeds for next year’s garden
  • Cool weather lover: Performs beautifully when other annuals are struggling in cooler temperatures

Perfect Garden Roles

Pot marigold is incredibly versatile in the landscape. It shines in cottage gardens where its informal, cheerful nature fits right in. Herb gardeners prize it for both its culinary and traditional medicinal uses. In vegetable gardens, it serves as an excellent companion plant, attracting beneficial insects while adding color between rows of crops.

The compact growth habit makes it perfect for containers and border edges, while its excellent cutting qualities ensure you can bring those sunny blooms indoors. Whether you’re creating annual flower beds or filling gaps in perennial borders, pot marigold adapts beautifully to various design styles.

Growing Conditions and Care

One of pot marigold’s best qualities is how easy it is to grow. Here’s what it needs to thrive:

  • Light: Full sun to partial shade (performs well in both)
  • Soil: Well-draining soil of almost any type—it even tolerates poor, sandy soils
  • Water: Moderate water needs; drought tolerant once established
  • Temperature: Cool-season annual that actually prefers cooler weather
  • USDA Zones: Can be grown as an annual in zones 2-11; may overwinter in zones 8-11

Planting and Care Tips

Getting pot marigold started in your garden couldn’t be simpler:

  • Direct sow seeds: Plant seeds directly in the garden in early spring or fall—they germinate quickly in cool soil
  • Spacing: Plant seeds about 6-12 inches apart
  • Deadheading: Remove spent flowers regularly to encourage continuous blooming
  • Self-seeding: Allow some flowers to go to seed if you want plants to return next year
  • Harvesting: Pick flowers in the morning after dew has dried for best quality

A Note on Native Alternatives

While pot marigold is a wonderful garden plant that supports pollinators and isn’t invasive, gardeners interested in native alternatives might consider exploring regional wildflowers that offer similar benefits. Native plants are always the best choice for supporting local ecosystems, though pot marigold certainly has its place in diverse, pollinator-friendly gardens.

The Bottom Line

Pot marigold offers gardeners a winning combination of beauty, utility, and ease of care. Whether you’re drawn to its cheerful blooms, its pollinator benefits, or its edible flowers, this adaptable annual deserves consideration in any garden. With minimal care requirements and maximum impact, it’s particularly perfect for beginning gardeners or anyone who wants reliable color throughout the growing season.

So why not give pot marigold a try? With its sunny disposition and generous blooming habit, it might just become one of your garden’s most treasured residents.

Pot Marigold

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Calendula L. - marigold

Species

Calendula officinalis L. - pot marigold

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA