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Annual Fleabane

Erigeron annuus

Also listed as Stenactis annua, Aster annuus

Also known as Eastern Daisy Fleabane, Daisy Fleabane, Tall Fleabane

herbaceous☀️ full sun💧 low water❄ Hardy: Zone 3a – Zone 9b

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A tall, airy wildflower with small white or pale pink daisy-like flowers that bloom prolifically in summer. Despite its common name, it is actually a short-lived perennial often grown as an annual.

Why grow it

Annual fleabane offers reliable, prolific summer bloom with minimal input, making it useful for filling gaps in newly established gardens or supporting pollinators during mid-season. Compared to cultivated daisy relatives, it establishes quickly from seed and tolerates poor soil, though it produces smaller flowers and has a shorter season of interest. It works well as a temporary nurse crop in permaculture systems while slower-growing perennials establish.

Watch out for

Plants often self-sow readily and may establish in unintended locations if seed heads are not removed before maturity. In areas with cool nights and consistent moisture, powdery mildew can reduce plant vigor and appearance.

Overview

Form
Upright
Growth Rate
fast
Size
1.5–4′ tall × 1–2′ wide
Dormancy
deciduous
Family
Asteraceae
biomass/mulchpollinator nectary

Native to the United States

Native Range

Eastern North America

Native to: Alabama, Arkansas, California, Connecticut, Delaware, Florida, Georgia, Iowa, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Virginia, Vermont, Washington, Wisconsin, West Virginia

Seasonality

Bloom Season

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

Season of Interest

SummerFall

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Companion Planting

Plants well with