Plant Care Fringeleaf Lobelia

Fringeleaf Lobelia

Also known as

leafy lobelia


Lobelia fenestralis

How to care for Fringeleaf Lobelia


How often to water your Fringeleaf Lobelia

Water needs for Fringeleaf Lobelia
0.5 cups
every 9

Fringeleaf Lobelia needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Water 0.5 cups every

Does your plant get direct sunlight?

Select the pot size


Check the growing potential in your area

A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for Fringeleaf Lobelia in your home

Light needs and placement for plant Fringeleaf Lobelia: 1ft from a window
1ft or less from
a window

Fringeleaf Lobelia love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to maximize the potential for growth.

Fringeleaf Lobelia does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Fringeleaf Lobelia in your home 🏡.


How to fertilize Fringeleaf Lobelia

Nutrient, fertilizer, and repotting needs for Fringeleaf Lobelia: repot after 2X growth

Most potting soils come with ample nutrients which plants use to produce new growth.

By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your Fringeleaf Lobelia after it doubles in size or once a year—whichever comes first.

Water Needs
Sunlight Needs

Care Summary for Fringeleaf Lobelia

Fringeleaf Lobelia

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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