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Dill
Habit (mature) · AnRo0002 / Wikimedia Commons · CC0 1.0 (public domain dedication)
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Dill
Anethum graveolens
A fast annual culinary herb grown for both its aromatic, feathery blue-green foliage and its pungent seeds. Stiff hollow stems rise 3-5 feet and carry large, flattened compound umbels of tiny yellow flowers in late summer. Native to Asia Minor and the Mediterranean, dill has naturalized across parts of North America. The showy umbels draw bees, wasps, lacewings, hover flies, and other beneficial insects, and the lacy foliage is a classic larval host for the black swallowtail butterfly.
Review: Source-backed
Climate fit: moderate (63/100)
Edible
Pollinator
Filler
Light
Full sun
Water
Moderate water
Mature size
36-60" tall · 12" apart
Hardy in zones
2a-11b
brutally cold to nearly frost-free winters
Summer heat range
Mild-Hot
mild to hot summers Interim Plotwright tier until the plant AHS range is authored.
Native in Illinois
No
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A documented larval host for the Black swallowtail — caterpillars feed on its foliage before becoming the next generation.
Wildlife relationships
Cold hardiness
Now
Zone 6b
USDA
Chicago, IL · 1991-2020 average annual coldest day
Source: USDA Plant Hardiness Zone Map 2023 (1991-2020 climatology) via ArcGIS FeatureServer
Well-suited
2050
Zone 7b
Plotwright
Your zone + climate-model shift · SSP3-7.0 (regional rivalry)
Well-suited
In plain terms: cold winters — coldest nights typically around -3°F.
Well-suited today and still thriving in 2050.
Heat tolerance
Loading current AHS heat-zone and plant heat-fit data at your coordinates…
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). Dill (Anethum graveolens). Retrieved 2026, June 5, from https://plotwright.garden/plants/dill
Sources for every fact
Every fact on this page traces to a source. 18 fields cited18 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 · CC0 1.0 public domain dedication
Backs 1 field
Image
NC State Extension Gardener Plant Toolbox
University extension service
Community photos
The photos above are our reviewed reference set, curated for accuracy.
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