Thread-leaf Wood Sorrel (Oxalis Polyphylla) is a perennial bulb in the Oxalidaceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 9-11. This plant is toxic to cats and dogs — keep it out of reach of pets. It can be grown indoors.

A perennial tuberous geophyte with leaves and flowers crowded at the tip of the stem, flowering in autumn.

Thread-leaf Wood Sorrel

Thread-leaf Wood Sorrel

Oxalis Polyphylla

A perennial tuberous geophyte with leaves and flowers crowded at the tip of the stem, flowering in autumn.

Quick Facts

Type
bulb
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
9-11

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, sandy, well-drained
Indoor:Yes
Outdoor:Yes
Garden Use:groundcover, specimen

Care Calendar

Monthly care tasks for Thread-leaf Wood Sorrel

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

Thread-leaf Wood Sorrel
Thread-leaf Wood Sorrel detail

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Taxonomy

Family:Oxalidaceae
Genus:Oxalis