Collared Annual Lupine (Lupinus Truncatus) is a annual herb in the Fabaceae family with easy 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.

Lupinus truncatus is an annual herb native to California and northern Baja California, recognized by its truncated leaflets and purple pea-shaped flowers.

Collared Annual Lupine

Collared Annual Lupine

Lupinus Truncatus

Lupinus truncatus is an annual herb native to California and northern Baja California, recognized by its truncated leaflets and purple pea-shaped flowers.

Quick Facts

Type
herb
Lifecycle
annual
Care Difficulty
Easy
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, rocky
Indoor:No
Outdoor:Yes
Garden Use:groundcover, nitrogen fixer, pollinator attractor

Care Calendar

Monthly care tasks for Collared Annual Lupine

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

Collared Annual Lupine
Collared Annual Lupine detail

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Taxonomy

Family:Fabaceae
Genus:Lupinus