Photo by Melody

PlantFiles: Caesarweed, Caesar Weed, Congo Jute
Urena lobata

Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Urena (ur-EE-na) (Info)
Species: lobata (low-BAH-tuh) (Info)

3 members have or want this plant for trade.

Tropicals and Tender Perennials

36-48 in. (90-120 cm)

24-36 in. (60-90 cm)

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:
Sun to Partial Shade
Light Shade


Bloom Color:

Bloom Time:
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall


Other details:
May be a noxious weed or invasive

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; direct sow outdoors in fall

Seed Collecting:
Unknown - Tell us

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By Floridian
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By Floridian
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2 positives
No neutrals
3 negatives

Gardeners' Notes:

Positive ransom3 On Mar 22, 2013, ransom3 from Zephyrhills, FL wrote:

It is pretty. I have no trouble in getting rid of any stands of it that become problematic. Just a wildflower.

Positive matered On Jan 19, 2010, matered from Eustis, FL wrote:

This weed also found in Lake County Florida

Negative ChayaMan On Sep 29, 2009, ChayaMan from Largo, FL wrote:

Not recommended because of Cat II invasive status. The hooked, 5-lobed seed capsule is easily brushed off and transported by birds, squirrels, pets, gardeners, etc. Germinates in an eyeblink and fruits year-round (even in Winter). Potentially as invasive as Schinus terebinthifolius (Brazilian Pepper), although not as aggressively rugged. Height in Zone 9b-10x can reach 10 feet and can self-sow to form a thick hedge. Some anecdotal food, utilitarian and medicinal value, which does not offset its invasive tendencies, IMO. As with S. terebinthifolius, pull and burn, where possible.

Negative MotherNature4 On Oct 12, 2006, MotherNature4 from Bartow, FL (Zone 9a) wrote:

This plant is listed as a Category II Invasive Plant by the Florida Exotic Pest Plant Council. This listing is for the entire state of Florida. It should be listed for 8b and 9a.

Negative xyris On Jan 27, 2005, xyris from Sebring, FL (Zone 9b) wrote:

A weed in my garden, but pretty easy to control. Seedings recognizable by the unique leaf shape, and plant easy to pull up even when mature. The flowers are too small to be of ornamental value, even though attractive up-close.


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

Bartow, Florida
Boca Raton, Florida
Bradenton, Florida
Clearwater, Florida
Fort Lauderdale, Florida
Jupiter, Florida
Lakeland, Florida
Largo, Florida
Sebring, Florida
Tampa, Florida
Baton Rouge, Louisiana

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