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Weedy

Pineapple-weed

Matricaria discoidea

Also listed as Chamomilla suaveolens, Lepidotheca suaveolens

Also known as Disc Mayweed, Rayless Chamomile, Rayless Mayweed

groundcover☀️ full sun💧 low water❄ Hardy: Zone 3a – Zone 10b

Climate Match for your location

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A low-growing annual or winter annual with finely divided foliage and tiny yellow-green button-like flower heads that lack ray florets. Often found as a weedy groundcover in disturbed areas, it is drought-tolerant and requires minimal care.

Why grow it

Pineapple-weed offers low-maintenance groundcover value in situations where conventional turf or ornamental species struggle, particularly in compacted or poor soils. Its minimal fertility requirements and drought tolerance make it useful for erosion control or stabilizing disturbed ground, though it establishes more slowly than aggressive turf alternatives and may require occasional management to prevent self-seeding in cultivated beds.

Watch out for

This plant readily self-seeds and can become persistent in regularly disturbed areas like pathways or driveways, so deadheading before seed set helps prevent unwanted spread. The foliage has a distinctive pineapple-like scent when crushed, which some find pleasant but others may prefer to avoid in high-traffic zones.

Overview

Form
Mounding
Growth Rate
fast
Size
0.25–1.5′ tall × 0.5–2′ wide
Dormancy
deciduous
Family
Asteraceae
MedicinalEdible

Native to the United States

Native Range

Eastern Asia and North America

Native to: Alaska, California, Idaho, Oregon, Washington

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Harvest Season

J
F
M
A
M
J
J
A
S
O
N
D

Edible Parts

leafflower

Season of Interest

Summer

Similar ground covers you might consider:

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Companion Planting

Plants well with