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Dusty Miller

Centaurea cineraria (sen-TAR-ee-ah sin-ah-RAY-ree-ah)

Family: Asteraceae Non-native Herbaceous (1-3 ft)

Dusty miller is an herbaceous sub-shrub in the Asteraceae (aster) family and native to the Mediterranean region. It is hardy in zones 8 to 10 and can be grown as an annual or perennial. Genus came from the popular name of various plants in the late 14th century, from Medieval Latin centaurea, from Latin centaureum, from Greek kentaureion, from kentauros "centaur", so called because the plant's medicinal properties were discovered by Chiron the centaur. It is grown for its dense, downy, gray-green foliage rather than the yellow thistle-like flowers that are usually trimmed to promote foliage growth. The plant can be grown from seed or cuttings. In the summer, take tip cuttings from semi-hard wood. They will last past the first frost, but will die back to the crowns when temperatures are below freezing for long periods of time. Dead foliage should be cut back. New growth will emerge in late spring. Dusty miller prefers moist, well-drained, moderately rich soils in full sun. It will tolerate poor soils and partial shade but can become leggy. It is drought tolerant when established, has few pests, and is not favored by deer. The leaves are covered with fine matted hairs on both sides, giving them a felt-like or woolly appearance in silver or white. When wet, the white color fades and the green of the leaf is visible. The white color in the leaf is not as intense when grown in the shade. Use dusty miller in a container, as an edging plant along sidewalks, for accent, or on slopes. The leaves reflect moonlight, making it a welcome addition to a nighttime garden, as well as a cottage or drought-tolerant garden. Insects, Diseases, and Other Plant Problems: No significant problems.

Source: NC State Extension Gardener Plant Toolbox ↗ NC State Extension Gardener Plant Toolbox, 53 attributes.

How it fits the guild

Guild layer 4 - Herbaceous (1-3 ft) Optimal soil pH Acid (<6.0)
See companions & conflicts ↓

Companions & Conflicts

Curated pairwise relationships between this plant and others in the library — who feeds whom, who competes, who confuses the pests. Green reads as a good pairing, red as one to avoid.

No curated interactions recorded for this species yet.

Also noted by NC State

Related species the NC State Plant Toolbox flags for this plant — look-alikes to tell apart, and plants that play a similar role in a planting. Ones we carry in the library are linked.

Often confused with Artemisia 'Powis Castle' Jacobaea maritima

Full plant profile

Growing Conditions
Plant type
Annual; Herbaceous Perennial
Life cycle
Annual; Perennial
USDA zones
8a, 8b, 9a, 9b, 10a, 10b
Light
Full sun (6 or more hours of direct sunlight a day) | Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Soil texture
Clay; High Organic Matter; Loam (Silt)
Soil pH
Acid (<6.0)
Soil drainage
Good Drainage | Moist
Available space
Less than 12 inches
Mature size
Height: 0 ft. 6 in. - 2 ft. 0 in. | Width: 1 ft. 0 in. - 1 ft. 2 in.
Growth rate
Rapid
Maintenance
Low
Canopy layer
4 - Herbaceous (1-3 ft)
Form & Appearance
Habit / form
Mounding; Rounded
Texture
Medium
Leaf color
Gray/Silver; Green; White
Leaf type
Compound (Pinnately , Bipinnately, Palmately); Simple
Leaf arrangement
Alternate
Leaf shape
Lanceolate
Leaf margin
Lobed
Leaf feel
Velvety
Leaf value
Showy
Leaf size
3-6 inches long, 1-3 inches wide
Hairs present
Yes
Leaf detail
Simple leaves are covered in fine matted hairs on both sides giving them a felt-like or woolly feel, are lance shaped and indented or cut with numerous lobes, yielding a lace-like appearance in silver or white with green undertones. The leaves reflect moonlight and is a welcome addition to a nighttime garden.
Flower color
Gold/Yellow
Flower form
Head
Flower shape
Dome
Flower size
1-3 inches
Flower detail
Thistle-like flower-heads, often with enlarged outer florets, not particularly ornamental and usually trimmed to promote foliage growth and not detract from the foliage.
Bloom time
Fall; Spring
Fruit type
Achene
Fruit detail
Seeds are produced in cylindrical achenes
Wildlife & Ecology
Native status
Non-native
Origin
Mediterranean
Play value
Defines Paths
Food & Medicine
Fruit type
Achene

Uses (ethnobotany)

As an accent bedding plant against flowering plants of a deep magenta, burgundy or purple.

Landscape Use
Landscape location
Container; Slope/Bank; Walkways
Landscape theme
Cottage Garden; Drought Tolerant Garden; Nighttime Garden
Design feature
Accent; Border
Garden tags
#drought tolerant #fantz #fall interest #spring interest #summer flowers #full sun tolerant #partial shade tolerant #silver leaves #deer resistant #nighttime garden #velvety #fast growing #cottage garden #annual
Problems & Resistance
Resistant to
Deer; Drought
Propagation
Seed; Stem Cutting

Planted at Hunnicutt

Nobody’s planted this one yet.