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Calendula (pot marigold)

Calendula (pot marigold)

Calendula officinalis
An Old World cottage-garden annual grown for daisy- to chrysanthemum-like flowerheads (3-4 inches across) in bright yellow through deep orange, often with a contrasting darker center disk. In cool climates it blooms over a long summer-to-fall window; in hot summers it tends to languish and may need a midseason cutback to rebloom. The somewhat bitter flowers and lance-shaped aromatic leaves are edible, and the petals lend color to soups, rice, and baked goods.
Climate fit: moderate (68/100)
Border
Edible
Pollinator
Container
Light
Full sun / Part shade
Water
Moderate water
Mature size
12-24" tall · 12" apart
Hardy in zones
2a-11b
brutally cold to nearly frost-free winters
AHS heat range
1-9
Plant range authored in AHS heat-zone terms.
Native in Illinois
No

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An open-pollinated insect-attracting composite — Missouri Botanical Garden and NC State Extension both document Calendula officinalis as attracting butterflies and pollinators.

Cold hardiness

These values are location-based: this location's current hardiness is the baseline, and the 2050 value is a projected future climate for this same location.
Now
Zone 6b
Plotwright
USDA Zone 6b
-5°F to 0°F
Well-suited
Zone 7a
Plotwright
0°F to 5°F
Well-suited
In plain terms: This location has cold winters. Its winters are projected to keep warming through 2050.
Well-suited today and still thriving in 2050.

Heat tolerance

Heat tolerance values are location-based too: heat days today are observed at this site, and the 2050 value projects this same location under a future climate.
Loading AHS heat-zone data for this location...

Similar plants

Browse lateral options with similar roles, light needs, size, or native-range overlap; these are not filtered for a better climate fit.
Thymus vulgaris
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Anthriscus cerefolium
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A fast, fine-textured cool-season culinary annual in the carrot family (Apiaceae), native to the Middle East, Russia, and the Caucasus and now grown worldwide. NC State Extension describes an erect, spreading plant about 1-2 feet tall with light green, feathery, finely divided (tripinnate) leaves — like a more delicate parsley — and a mild aniseed scent. Small white five-petaled flowers open in saucer-shaped umbels 1-2 inches across in spring and summer. It is generally grown as an annual (occasionally biennial in milder areas), prefers cool weather in moist, well-drained soil, and is a classic component of French fines herbes, prized for a delicate flavor best used fresh.
Herb
Full sun / Part shade
Moderate water
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Edible
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Herb
Full sun / Part sun / Part shade
Moderate water
Zones 10-11
Climate: narrow
Edible
Container
Pollinator
Coriandrum sativum
Cilantro
A warm-weather annual of the carrot family grown in herb gardens for two distinct crops from one plant: the lacy, strong-scented foliage harvested young as cilantro, and the aromatic dried seed harvested as coriander. The plant bolts and flowers quickly in hot weather, throwing up showy white-to-pale-lavender umbels and a marked leaf dimorphism — broad scalloped lower leaves give way to fine, thread-like upper foliage on the flowering stems. Fast and easy from a direct sowing, it is best succession-planted for a steady leaf harvest before heat triggers bolting.
Herb
Full sun / Part shade
Moderate water
Zones 2a-11b
Climate: moderate
Edible
Container
Pollinator
Mahonia repens
Creeping mahonia
A low, ground-hugging evergreen shrub of the Rocky Mountain West (also called creeping Oregon grape; NC State files it under the synonym Berberis repens). It spreads by underground stems into a holly-leaved mat 12-24 inches tall, with blue-green pinnate compound foliage that flushes bronze-to-purple-red in winter, fragrant yellow flower clusters in spring, and glaucous blue-black grape-like berries in summer. Tough, cold-hardy, and shade- and drought-tolerant once established — among the best evergreen native groundcovers for dry shade.
Shrub
Full sun / Part shade
Moderate water
Zones 4b-9b
Climate: moderate
Border
Pollinator
Edible
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Perennial
Full sun / Part shade
Moderate water
Zones 4a-8b
Climate: moderate
Border
Container
Pollinator

Sources & citations

Cite this page
For lesson plans, articles, or research that uses this page. To cite a single upstream fact instead, use its specific source listed below.
Plotwright. (2026, May 17). Calendula (pot marigold) (Calendula officinalis). Retrieved 2026, June 24, from https://plotwright.com/plants/calendula-officinalis
Sources for every fact
Every fact on this page traces to a source. 18 fields cited - 18 source-backed.
Missouri Botanical Garden PlantFinder
Botanical research database
Backs 17 fields
Identity
Summary
Plant type
Light
Moisture
Hardiness
Heat zone
Size
Spacing
Habit
Design roles
Seasonal interest
Growth stages
Lifecycle
Regional guidance
Success tips
Designer notes
Wikimedia Commons
Photo · CC BY-SA 3.0
Backs 1 field
Image
NC State Extension Gardener Plant Toolbox
University extension service