Photo by Melody

PlantFiles: Yellow Jacobinia
Justicia aurea

Family: Acanthaceae (ah-kanth-AY-see-ee) (Info)
Genus: Justicia (jus-TEE-see-ah) (Info)
Species: aurea (AW-re-uh) (Info)

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11 members have or want this plant for trade.

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4-6 ft. (1.2-1.8 m)

4-6 ft. (1.2-1.8 m)

USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Light Shade
Partial to Full Shade

Unknown - Tell us

Bloom Color:
Bright Yellow

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)

Patent Information:

Propagation Methods:
From softwood cuttings

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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There are a total of 14 photos.
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3 positives
No neutrals
No negatives

Gardeners' Notes:

Positive fullsun007 On Jul 25, 2009, fullsun007 from Gainesville, FL wrote:

This is a great plant for a shady part of a garden. It can get to 3-4 feet tall with a 6" flower spike which can last almost 1 month. The flower is attractive to hummingbirds and sphinx moths. It is possible to see little roots growing right on the stalks of this plant, making propagation by cuttings very easy. It is very hardy, mine get no winter protection and endured 2 back to back nights of 21oF and came back and one has already flowered in my zone 8B yard. A great splash of color for a shady area.

Positive wilting_in_sac On Oct 4, 2006, wilting_in_sac from Sacramento, CA wrote:

Does great and grows aggressively even in hot climates like mine but benefits from afternoon shade, moist soil and misting. Produces spikes of golden-tongued flowered brachts as tall as a foot or more that last as much as 2-3 weeks if protected from wind and sun.

Positive aking1a On Oct 22, 2003, aking1a from Baton Rouge, LA (Zone 8b) wrote:

This plant has huge, dark green leaves and the flower is similar in appearance to it's cousin, the Brazilian Plume plant except that it is about 6-8 inches long and bright yellow. It will take more sun than the pink variety and is a much more showy plant for shady areas. It is extremely easy to grow from cuttings and I have found no major problem insects or diseases.


This plant has been said to grow in the following regions:

Newport Beach, California
Sacramento, California
San Marino, California
Gainesville, Florida
Hollywood, Florida
Lakeland, Florida
Merritt Island, Florida
Ocala, Florida
Baton Rouge, Louisiana
New Orleans, Louisiana
Opelousas, Louisiana
Carolina, Puerto Rico
Alvin, Texas
Austin, Texas
Hallettsville, Texas
Houston, Texas
Missouri City, Texas
Richards, Texas
San Antonio, Texas

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