Southern Jointweed (Polygonella Americana) is a perennial herb in the Polygonaceae family with easy care difficulty. It requires low watering and full sun or partial shade light in USDA hardiness zones 7-9. This plant is safe for cats and dogs.

Polygonella americana, commonly known as Southern Jointweed, is a flowering plant species in the knotweed family.

Southern Jointweed

Southern Jointweed

Polygonella Americana

Polygonella americana, commonly known as Southern Jointweed, is a flowering plant species in the knotweed family.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
Low
Light
Full Sun, Partial Shade
Hardiness Zones
7-9

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:sandy, rocky, loamy
Indoor:No
Outdoor:Yes
Garden Use:groundcover, pollinator support, erosion control

Care Calendar

Monthly care tasks for Southern Jointweed

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Southern Jointweed
Southern Jointweed detail

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Taxonomy

Family:Polygonaceae
Genus:Polygonella