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Tall Bellflower

Campanulastrum americanum

Found in moist to fairly dry forests, especially over mafic or calcareous rocks. FloraQuest, phone app (app page) What its natural habitat tells you

36
Good

Native to Alabama. How scores work Is it native here?

Profile 100%

Height
3–6 feet
Spread
1–2 feet
Light
Full sun, Partial shade
Soil moisture
Usually moist

Space about 1.5 ft apart from its recorded spread, about 44 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

At a glance

Life cycle
Annual
Leaves
Deciduous
Bloom
June to September
Fruiting season
August to October

Recorded in 35 Alabama counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

Dry forests and woodlands

Forests and open woodlands on dry ridges and slopes, often oak or pine.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Alabama. Shared habitat, not food. 104 animals.

All wildlife of Alabama

Ecological relationships

Who uses this plant?

What these records mean

1CaterpillarsGenus host records with ranges including AL

Genus host records with ranges including AL · Campanula

  • Spodoptera frugiperdaFall Armyworm Moth
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
9BeesSoutheastern regional records

Southeastern regional records · Campanulastrum

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
2Specialist beesPollen specialists

Pollen specialists · Campanula

  • Colletes brevicornis
  • Dufourea maura
Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
—BirdsRecorded genus food-resource interactions; not a state feeding claim
Adult butterflies / moths 2
  • Pholisora hayhurstii
  • Vanessa cardui

Flower visits · Carlinville, Illinois, USA

No records yet · Ants · Beetles · Flies · Other wasps · Other insects

Growing and identification

Plant details

Family
Campanulaceae
Hardiness
Zones 4a–8b
Soil pH
Neutral
Flower color
Blue or purple
Growth rate
Rapid
Growth habit
Single crown
Foliage color
Green
Fruit begins
August
Fruit ends
October

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
  • Bloom · “Late June to September” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) (ranked first; USDA PLANTS, Prairie Moon 2026 Cultural Guide differ) · Carolinas and Georgia
  • Flower color · “Blue or purple” · NC Extension Plant Toolbox (ranked first; USDA PLANTS, Prairie Moon 2026 Cultural Guide differ)
  • Foliage color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Fruit begins · “August” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) (ranked first; USDA PLANTS differs) · Carolinas and Georgia
  • Fruit ends · “October” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) (ranked first; USDA PLANTS differs) · Carolinas and Georgia
  • Growth habit · “Single crown” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Growth rate · “Rapid” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
  • Hardiness · “Zones 4a–8b” · NC Extension Plant Toolbox
  • Height · “3–6 feet” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards, USDA PLANTS, Minnesota Wildflowers, Prairie Moon 2026 Cultural Guide differ)
  • Leaves · “Deciduous” · NC Extension Plant Toolbox
  • Life cycle · “Annual” · NC Extension Plant Toolbox
  • Light · “Full sun (6 or more hours of direct sunlight a day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards, Prairie Moon 2026 Cultural Guide differ)
  • Soil · “Moist; Occasionally wet” · NC Extension Plant Toolbox (ranked first; Tennessee Smart Yards, Prairie Moon 2026 Cultural Guide differ)
  • Soil pH · “Neutral” · NC Extension Plant Toolbox
  • Spread · “1–2 feet” · NC Extension Plant Toolbox
Also known as

American Bellflower; Campanula americana; harebell

Conservation status

Alabama rankSNR
Global rankG5
AL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

Will it fit your yard?

Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.

Choose a county to begin.

How to check your spot

Growing cautions

For planning only; these do not change the score or Fit.

Sources