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Carnation

Habit (mature) · Dinkun Chen / Wikimedia Commons · CC BY-SA 4.0

Limited coverage

Carnation

Dianthus caryophyllus

The classic clove-scented carnation, a short-lived evergreen perennial in the pink family grown for centuries for its frilled, spice-fragrant double flowers and tidy mounds of narrow blue-gray foliage. Native to the Mediterranean region, it thrives in full sun and lean, sharply drained, neutral-to-alkaline soil with steady but never soggy moisture, and is hardy in USDA zones 6a-9b. It is the florist's carnation and the parent of countless border and perpetual-flowering strains, prized as much for cutting as for the garden.

Review: Source-backed

Climate fit: narrow (38/100)

Border

Container

Pollinator

Light

Full sun / Part shade

Water

Consistent moisture

Mature size

12-48" tall · 15" apart

Hardy in zones

6a-9b

cold to frosty winters

Native in Illinois

No

Related products

Cold hardiness

Future

2050

2100

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

USDA

Published baseline for this location from 1991-2020.

Source: USDA Plant Hardiness Zone Map 2023 (1991-2020 climatology) via ArcGIS FeatureServer

Well-suited

2050

Zone 7a

Plotwright

Projected zone for this same location in 2050 (2041-2070) using SSP3-7.0 (regional rivalry).

Well-suited

In plain terms: This location is in Zone 6b today. Its hardiness profile is cold winters, and coldest nights are typically around -3°F. By 2050, the projected hardiness zone is Zone 7a based on SSP3-7.0 (regional rivalry). That is a +0.5-zone shift from Zone 6b to Zone 7a by 2050.

✓

Well-suited today and still thriving in 2050.

Heat tolerance

Future

2050

2100

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...

Where this plant fits

Suitable across 41 ecoregions — 38 climate-resilient through 2070 · 1 suited today · 2 newly possible by 2070. Best matches first.

Appalachian mixed mesophytic forests

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Appalachian-Blue Ridge forests

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Arizona Mountains forests

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Atlantic coastal pine barrens

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Blue Mountains forests

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Canadian Aspen forests and parklands

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Central Pacific Northwest coastal forests

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Central Tallgrass prairie

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Central-Southern Cascades Forests

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Chilean Matorral

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What it needs

Conditions

Light

Full sun / Part shade

Water

Consistent moisture

Spacing

15"

Habit

Erect, loosely tufted short-lived perennial with slender flowering stems rising from a low mound of grassy blue-gray foliage

Care tips

•

Make drainage and a neutral-to-alkaline, lean soil your first priority; sweeten acid ground with a little lime and never let the crown sit wet, especially over winter.

•

Water consistently at the base, not overhead — wet foliage invites rust and botrytis — and give the plants open, breezy spacing.

•

Pinch young shoots and deadhead spent flowers to keep plants bushy and prolong the fragrant bloom into late summer.

Lifecycle

Planting

Plant in spring in full sun (a little afternoon shade is tolerated in hot regions) in lean, gritty, sharply drained soil that runs neutral to slightly alkaline. Avoid acid, rich, or heavy wet ground; set the crown at the soil surface, never buried, and space about 15 inches apart so air moves freely around the foliage.

Transplanting

Move young, well-rooted plants in spring while they are establishing; carnations resent disturbance once settled, so shift established clumps only in early spring if you must, lifting a generous root ball.

Early growth

Water steadily but moderately to establish, keeping moisture consistent without ever waterlogging the crown. Pinch young stems to encourage branching and a fuller habit, and keep mulch off the crown to prevent rot.

Maturity

Mature plants reach 12-48 inches tall and 6-12 inches wide depending on strain, with border types compact and perpetual-flowering florist types taller and lankier. Bloom peaks in late spring and summer; deadheading and cool nights extend it. As a short-lived perennial it typically declines after 2-3 years.

Propagation

Increase by tip cuttings taken from non-flowering shoots in summer, or by layering and spring division — the only ways to keep named, often-sterile double cultivars true. Single-flowered and species forms also come from seed, though seedlings vary.

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). Carnation (Dianthus caryophyllus). Retrieved 2026, June 13, from https://plotwright.garden/plants/dianthus-caryophyllus

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

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 4.0

Backs 1 field

Image

Community photos

The photos above are our reviewed reference set, curated for accuracy.

Carnation

At a glance

Related products

Why it matters

Cold hardiness

Heat tolerance

Where this plant fits

What it needs

Lifecycle

Pollination

Plants don't grow alone

For people

Climate notes

In the designer

Seasonal interest

Sources & citations

Community photos