Location specific values:
Array
(
    [lat] => 41.103000
    [lng] => -112.023800
    [elevation] => 1353.4162
    [rainfall] => 492.2234
    [cold_temperature] => -6.5856
    [temperature] => 32.4092
    [user_eto] => 1431.42043724
)
Plant specific values:
Array
(
    [rain_min_irrigation] => 1321
    [eto_corrected] => 1531
    [eto_adjusted_rain_min (rain_min_irrigation / eto_corrected)] => 1.07838014
)
Bent Alligator-Flag (Thalia geniculata) | Easyscape Plant Profile

Bent Alligator-Flag

(Thalia geniculata)

Bent Alligator-Flag (Thalia geniculata)

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Estimated Native Range
Species Map Help

Climate Requirements for Clearfield, Utah

This Plant Your Site Plant Suitability for Your Location
Precipitation 16" - 164" 19" Your precipitation may be insufficient for this plant. Irrigate N" / year. Irrigate N" / year
High Temp. 64°F - 107°F 90°F Your summer temperatures are normal for this plant. Excellent
Low Temp. 15°F - 74°F 20°F Your winter temperatures are normal for this plant Excellent
This plant should grow well at your location with about N inches per year (Y minutes per month) of irrigation.

Summary

Thalia geniculata, commonly known as Bent Alligator-Flag, is an evergreen perennial herb native to wetlands, including marshes, swamps, and the edges of ponds and streams in the Southeastern United States, the Caribbean, Central America, South America, and tropical Africa. It typically grows to a height of 8 feet (2.4 meters) and a width of 2-3 feet (0.6-0.9 meters), with a clumping habit that forms dense stands. The plant features large, paddle-shaped leaves and produces inflorescences of white to pale purple flowers during the summer and fall, which are quite showy and attract pollinators.

Bent Alligator-Flag is valued for its striking vertical form and attractive foliage, making it a popular choice for water gardens, rain gardens, and naturalized wetland plantings. It is also used in constructed wetlands for water purification. This plant thrives in full sun to part shade and requires consistently moist to wet soil conditions, often standing water. It is relatively low maintenance but may need to be controlled in smaller water features to prevent it from becoming too dominant. While generally pest-free, it can be susceptible to rust and leaf spot diseases.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 6-10 feet
  • Width: 1.5-3 feet
  • Growth Rate: Moderate
  • Flower Color: Purple
  • Flowering Season: Summer, Fall
  • Leaf Retention: Evergreen

Growth Requirements

  • Sun: Full Sun
  • Water: High
  • Drainage: Slow, Standing, Medium

Common Uses

Bee Garden, Bird Garden, Butterfly Garden, Hummingbird Garden, Low Maintenance, Water Garden

Natural Habitat

native to wetlands, including marshes, swamps, and the edges of ponds and streams in the Southeastern United States, the Caribbean, Central America, South America, and tropical Africa

Other Names

Common Names: Arrowroot, Fire-Flag, Stor Thalia

Scientific Names: Thalia geniculata, Thalia welwitschii, Thalia trichocalyx, Thalia schumanniana, Thalia angustifolia, Thalia divaricata, Maranta flexuosa, Thalia geniculata var. pubescens, Maranta geniculata

GBIF Accepted Name: Thalia geniculata L.