Hartweg's Iris (Iris Hartwegii) is a perennial herb in the Iridaceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 8-10. This plant is toxic to cats and dogs — keep it out of reach of pets.

Iris hartwegii is a perennial herb native and endemic to California, known for its slender stems bearing one to three flowers that range in color from purple to yellow or almost white.

Hartweg's Iris

Hartweg's Iris

Iris Hartwegii

Iris hartwegii is a perennial herb native and endemic to California, known for its slender stems bearing one to three flowers that range in color from purple to yellow or almost white.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
8-10

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, sandy, rocky
Indoor:No
Outdoor:Yes
Garden Use:specimen, pollinator attractor

Care Calendar

Monthly care tasks for Hartweg's Iris

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

Hartweg's Iris
Hartweg's Iris detail

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Taxonomy

Family:Iridaceae
Genus:Iris