Downy Lobelia (Lobelia Puberula) is a perennial herb in the Campanulaceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 5-9. This plant is toxic to cats and dogs — keep it out of reach of pets.

Lobelia puberula is a perennial herbaceous wildflower native to the eastern and southeastern United States, known for its delicate blue to purple flowers and hairy stems.

Downy Lobelia

Downy Lobelia

Lobelia Puberula

Lobelia puberula is a perennial herbaceous wildflower native to the eastern and southeastern United States, known for its delicate blue to purple flowers and hairy stems.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
5-9

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, silty, peaty
Indoor:No
Outdoor:Yes
Garden Use:pollinator attractor, groundcover, ornamental

Care Calendar

Monthly care tasks for Downy Lobelia

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

Downy Lobelia
Downy Lobelia detail

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Taxonomy

Family:Campanulaceae
Genus:Lobelia