Location specific values:
Array
(
    [lat] => 47.365900
    [lng] => -122.036800
    [elevation] => 161.1755
    [rainfall] => 1315.4243
    [cold_temperature] => 0.1
    [temperature] => 25.0092
    [user_eto] => 870.15656026
)
Plant specific values:
Array
(
    [rain_min_irrigation] => 977
    [eto_corrected] => 1579
    [eto_adjusted_rain_min (rain_min_irrigation / eto_corrected)] => 0.61874604
)
Tropical Threefold (Trixis inula) | Easyscape Plant Profile

Tropical Threefold

(Trixis inula)

Tropical Threefold (Trixis inula)

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Estimated Native Range
Species Map Help

Climate Requirements for Maple Valley, Washington

This Plant Your Site Plant Suitability for Your Location
Precipitation 3" - 182" 52" Aquatic Aquatic
High Temp. 59°F - 100°F 77°F Your summer temperatures are normal for this plant. Excellent
Low Temp. 30°F - 74°F 32°F Your winter temperatures are normal for this plant Excellent
This plant may not grow well at your location - your precipitation is too high.

Summary

Trixis inula, commonly known as Tropical Threefold, is an evergreen shrub native to a variety of habitats including open woodlands, forest edges, and scrub areas in the Gulf of Mexico region, extending into Texas and parts of Central America. It typically grows to a height of 2-4 feet (0.6-1.2 meters) and is recognized for its compact form and the clusters of bright yellow, daisy-like flowers that bloom in spring, summer, and fall. The flowers are moderately showy and attract pollinators such as butterflies and bees.

Tropical Threefold is valued for its extended blooming period and adaptability to different soil types, making it a versatile choice for gardeners. It is often used in border plantings, as a specimen in xeriscapes, or in pollinator gardens due to its attractiveness to wildlife. This shrub prefers well-drained soils and can tolerate drought once established, though it benefits from occasional watering during prolonged dry spells. It thrives in full sun to part shade and is relatively low-maintenance, requiring minimal pruning. There are no widely known serious disease or pest issues, but it can be sensitive to overwatering which may lead to root rot.CC BY-SA 4.0

Plant Description

  • Plant Type: Shrub
  • Height: 2-4 feet
  • Width: 2-4 feet
  • Growth Rate: Moderate
  • Flower Color: Yellow
  • Flowering Season: Spring, Summer, Fall
  • Leaf Retention: Evergreen

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Water: Low, Medium
  • Drainage: Medium

Common Uses

Border Plant, Butterfly Garden, Low Maintenance, Potted Plant

Natural Habitat

Native to open woodlands, forest edges, and scrub areas in the Gulf of Mexico region, Texas, and parts of Central America

Other Names

Common Names: Havana Snakeroot, Mexican Trixis, Hierba Del Aire

Scientific Names: Trixis inula, Trixis radialis, Trixis frutescens, Trixis corymbosa, Trixis adenolepis, Trixis deamii, Trixis frutescens var. angustifolia, Trixis chiantlensis, Trixis ehrenbergii

GBIF Accepted Name: Trixis inula Crantz