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Data provenancePermapeopleTreflePFAFPOWOreviewed 13 Oct 2026methodology → read

Bigleaf Aster

Aster macrophyllus
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Aster macrophyllus (Bigleaf Aster) — botanical photograph
Pl. D77C — Aster macrophyllus
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Overview

The Bigleaf Aster (Aster macrophyllus) is a perennial forb/herb that thrives in light (sandy), medium, or heavy (clay) soil with a pH range of 4.9 to 6.9. Native to regions including Connecticut, Delaware, District of Columbia, Georgia, Illinois, Indiana, Iowa, Kentucky, and parts of Canada such as Manitoba, Ontario, and Québec, this plant can grow up to 0.6 meters tall in full sun to partial shade. It is adaptable to various environments, making it a valuable addition to gardens or landscapes where well-drained to moist soils are present. The Bigleaf Aster's leaves and roots are edible, offering versatility in culinary uses—whether prepared raw or cooked—and can be dried for later use. This plant has been introduced into several European countries including Germany, Great Britain, the Netherlands, Poland, and Sweden, highlighting its ornamental and practical value beyond its native range. While not traditionally used medicinally, it is important to exercise caution when handling any plants intended for consumption or medicinal purposes, as some may cause adverse reactions.

Quick answers

What is Bigleaf Aster?

The Bigleaf Aster (Aster macrophyllus) is a perennial forb/herb that thrives in light (sandy), medium, or heavy (clay) soil with a pH range of 4.9 to 6.9.

Growingconditions · propagation · uses
V

Cultivation

The Bigleaf Aster thrives in full to partial sun and prefers moist to dry conditions, making it adaptable to various environments. It grows best in light (sandy), medium, or heavy (clay) soil with a pH between 4.9 and 6.9. Hardy in zones 3-7, this perennial can reach up to 0.6 meters in height. For propagation, use root cuttings or division. Harvest leaves and roots for culinary uses.
Light
Full sun, Partial sun/shade
Water
Dry, Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
3-7
Life cycle
Perennial
Habit
Forb/herb
Mature size
0.6 m tall
Soil pH
4.9–6.9
For first-time growers

How to grow Bigleaf Aster for the first time

7steps

Start with Bigleaf Aster by ensuring you have the right conditions and care, making it a manageable project for beginners.

  1. 1

    What you'll need

    Aster macrophyllus seeds or young plants, garden tools like a trowel and rake.

  2. 2

    Best time to plant

    Plant in spring after the last frost or in fall before the first freeze.

  3. 3

    Soil and container prep

    Prepare soil that is well-draining with a pH between 4.9 and 6.9, ensuring it's not too heavy or sandy.

  4. 4

    Sowing or transplanting

    Direct sow seeds in the garden after danger of frost has passed, or start indoors 4-6 weeks before planting outdoors.

  5. 5

    First two weeks

    Water regularly to keep soil moist but not waterlogged. Monitor for pests and diseases.

  6. 6

    Ongoing care

    Provide full sun to partial shade, watering when the top inch of soil feels dry. Deadhead flowers to encourage more blooms.

  7. 7

    Harvest or pruning

    Prune dead leaves and spent flower heads in late winter or early spring to maintain plant health.

VI

Edible & utility

Edible parts:LeavesRoot
Edible uses: The Bigleaf Aster's leaves and roots are edible. They can be prepared in various ways—raw or cooked—and may also be dried for later use.
Other uses:Ground cover
Contextrange · companions · related
VII

Distribution

33 native · 5 introduced
Distribution across2 continents· 33 native· 5 introduced
Europe5 regions
introduced (5)GermanyNetherlandsPolandSwedenUnited Kingdom
Asia1 region
native (1)Georgia
Broader regions
native:Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Manitoba, Maryland, Masachusettes, Massachusetts, Michigan, Minnesota, Missouri, New Brunswick, New Hampshire, New Jersey, New York, North Carolina, Nova Scotia, Ohio, Ontario, Pennsylvania, Prince Edward I., Québec, Rhode I., Tennessee, Vermont, Virginia, West Virginia, Wisconsin
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Specimen gallery

1 image
Aster macrophyllus (Bigleaf Aster) — botanical photograph
Bigleaf Aster (Aster macrophyllus)
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Explore further

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