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| Category: Shrub |
| Family: Acanthaceae (Acanthus¹) |
| Origin: Mexico (North America) |
| Evergreen: Yes |
| Flower Color: Yellow |
| Bloomtime: Year-round |
| Synonyms: [Justicia umbrosa] |
| Height: 6-10 feet |
| Width: 6-8 feet |
| Exposure: Cool Sun/Light Shade |
| Irrigation (H2O Info): Medium Water Needs |
| Winter Hardiness: 30-32° F |
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Justicia aurea (Yellow Jacobinia) - This is a large evergreen shrub to 8-12 feet tall by nearly as wide with large, to 12-15 inches long, green lanceolate leaves. The 2 inch long tubular yellow flowers form on 1 foot tall spikes that radiate from the ends of the branches much of the year - particularly abundant from late summer to early winter. Pinch older flowers to encourage continual flowering. Plant in light shade to full sun (along coast) and give regular irrigation. Is an evergreen shrub in frost-free gardens. It is hardy to about 30 degrees F. Prune back to one third of its height in early spring to keep plant tidy.
The information about Justicia aurea that is displayed on this web page is based on research conducted in our nursery's horticultural library and from reliable online resources. We will also include observations made about this plant as it grows in our nursery gardens and other gardens that we have visited, as well how the crops have performed in containers in our nursery field. We also incorporate comments that we receive from others and welcome hearing from anyone with additional information, particularly if they share cultural information that aids others growing this plant.
Please note that after 46 years in business, San Marcos Growers will be discontinuing nursery operations by the end of 2025 and the property will be developed for affordable housing.
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