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Rosemary

Rosemary

Salvia rosmarinus
A Mediterranean-native evergreen aromatic woody subshrub long known as Rosmarinus officinalis (reclassified to Salvia rosmarinus in 2017 based on molecular phylogenetics). Highly drought-tolerant once established; pale-blue spring flowers; foliage harvested year-round in mild climates as the canonical Mediterranean culinary herb. Borderline-hardy in zones below 7 — overwintered indoors or treated as annual outside zones 8-10.
Climate fit: narrow (31/100)
Border
Edible
Structure
Light
Full sun
Water
Low water
Mature size
24-60" tall · 30" apart
Hardy in zones
8a-10b (perennial); annual / overwintered indoors elsewhere
cold to mild winters
AHS heat range
6-12
Plant range authored in AHS heat-zone terms.
Native in Illinois
No
Rosemary is among the most-used Mediterranean culinary herbs — fresh or dried leaves flavor meat, bread, oil, vinegar, and herbal teas.

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
Won't grow here
Zone 7a
Plotwright
0°F to 5°F
Won't grow here
In plain terms: This location has cold winters. Its winters are projected to keep warming through 2050.
Out of range today and still out of range 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...

Plant this, not that

Better fit for this place
For Chicago, IL, these are replacement suggestions: similar plants with a stronger hardiness fit now and/or in 2050.
Levisticum officinale
Lovage
A tall, somewhat imposing herbaceous perennial culinary herb grown for the celery-like flavor of its leaves, stems, roots, and seeds. Native to the eastern Mediterranean and reaching up to 6 feet in height, it carries small umbels of tiny, greenish-yellow flowers in spring above ternately compound, deeply divided, dark-green leaves that resemble flattened parsley or celery (Missouri Botanical Garden PlantFinder).
Herb
Full sun / Part shade
Moderate water
Zones 4-8
Climate: moderate
Edible
Structure
Border
Better fit now and in 2050
Now: well-suited
2050: well-suited
Aronia melanocarpa
Black chokeberry
A drought-and-flood-tolerant native shrub of eastern North America with brilliant three-season interest — spring white-pink flowers, glossy black antioxidant-rich late-summer berries, and brilliant wine-red fall foliage — plus an extraordinarily wide cold-hardiness range (USDA 3a-8b). The berries are astringent fresh but the basis of a small but growing commercial industry (juices, wines, jams, supplements) for their exceptionally high anthocyanin content. Spreads by suckers; site where colony formation is welcome.
Shrub
Full sun / Part shade
Moderate water
Zones 3a-8b
Climate: broad
Border
Pollinator
Structure
Edible
Better fit now and in 2050
Now: well-suited
2050: well-suited
Salvia officinalis
Garden sage
A Mediterranean evergreen subshrub with gray-green velvety foliage + lavender summer flowers. Among the most useful kitchen herbs + a strong nectar source for honey bees, native bumblebees, and solitary bees. Perennial in zones 4a-8b; longer-lived in well-drained alkaline soils.
Herb
Full sun
Low water
Zones 4a-8b
Climate: moderate
Edible
Pollinator
Border
Better fit now and in 2050
Now: well-suited
2050: well-suited
Artemisia dracunculus 'Sativa'
French tarragon
French tarragon is the culinary clone of Artemisia dracunculus, grown for the pungent anise-like flavor and aroma of its narrow, glossy green leaves — the defining herb of béarnaise sauce and classic French fines herbes. It is a shrubby, rhizome-spreading perennial that rarely flowers and sets effectively sterile seed, so it is propagated only by cuttings or division rather than from seed. Unlike its wild parent species and the inferior Russian tarragon, this 'Sativa' selection holds the true tarragon flavor.
Herb
Full sun
Low water
Zones 5a-8b
Climate: narrow
Edible
Border
Container
Better fit now and in 2050
Now: well-suited
2050: well-suited

Similar plants

Browse lateral options with similar roles, light needs, size, or native-range overlap; these are not filtered for a better climate fit.
Levisticum officinale
Lovage
A tall, somewhat imposing herbaceous perennial culinary herb grown for the celery-like flavor of its leaves, stems, roots, and seeds. Native to the eastern Mediterranean and reaching up to 6 feet in height, it carries small umbels of tiny, greenish-yellow flowers in spring above ternately compound, deeply divided, dark-green leaves that resemble flattened parsley or celery (Missouri Botanical Garden PlantFinder).
Herb
Full sun / Part shade
Moderate water
Zones 4-8
Climate: moderate
Edible
Structure
Border
Aronia melanocarpa
Black chokeberry
A drought-and-flood-tolerant native shrub of eastern North America with brilliant three-season interest — spring white-pink flowers, glossy black antioxidant-rich late-summer berries, and brilliant wine-red fall foliage — plus an extraordinarily wide cold-hardiness range (USDA 3a-8b). The berries are astringent fresh but the basis of a small but growing commercial industry (juices, wines, jams, supplements) for their exceptionally high anthocyanin content. Spreads by suckers; site where colony formation is welcome.
Shrub
Full sun / Part shade
Moderate water
Zones 3a-8b
Climate: broad
Border
Pollinator
Structure
Edible
Artemisia dracunculus 'Sativa'
French tarragon
French tarragon is the culinary clone of Artemisia dracunculus, grown for the pungent anise-like flavor and aroma of its narrow, glossy green leaves — the defining herb of béarnaise sauce and classic French fines herbes. It is a shrubby, rhizome-spreading perennial that rarely flowers and sets effectively sterile seed, so it is propagated only by cuttings or division rather than from seed. Unlike its wild parent species and the inferior Russian tarragon, this 'Sativa' selection holds the true tarragon flavor.
Herb
Full sun
Low water
Zones 5a-8b
Climate: narrow
Edible
Border
Container
Salvia officinalis
Garden sage
A Mediterranean evergreen subshrub with gray-green velvety foliage + lavender summer flowers. Among the most useful kitchen herbs + a strong nectar source for honey bees, native bumblebees, and solitary bees. Perennial in zones 4a-8b; longer-lived in well-drained alkaline soils.
Herb
Full sun
Low water
Zones 4a-8b
Climate: moderate
Edible
Pollinator
Border
Calendula officinalis
Calendula (pot marigold)
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.
Herb
Full sun / Part shade
Moderate water
Zones 2a-11b
Climate: moderate
Border
Edible
Pollinator
Container
Allium schoenoprasum
Chives
A clumping perennial onion-relative forming dense grass-like tufts of hollow tubular leaves + globular lavender-pink flowerheads in late spring. Edible leaves + flowers; among the easiest perennial vegetables for beginners. Globular flowerheads are major early-season nectar sources for honey bees + native bees.
Herb
Full sun / Part sun
Moderate water
Zones 3a-9b
Climate: moderate
Edible
Pollinator
Border

Appears in collections

+2
Collection · 6 plants
Mediterranean drought-tolerant edible
A low-water edible palette of culinary herbs + a hardy grape for hot dry sunny sites. Mediterranean-origin plants thrive on neglect; their primary failure mode is overwatering, not underwatering.
English lavender
Rosemary
Garden sage
Oregano
Common thyme
Fox grape

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). Rosemary (Salvia rosmarinus). Retrieved 2026, June 24, from https://plotwright.com/plants/salvia-rosmarinus
Sources for every fact
Every fact on this page traces to a source. 18 fields cited - 18 source-backed.
NC State Extension Gardener Plant Toolbox
University extension service
Backs 17 fields
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Wikimedia Commons
Photo · CC BY 2.0
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