lobelia erinus

Blue lobelia, Garden lobelia, Cascade lobelia.

Care level

Easy

This charming cascading plant creates waterfalls of tiny, vibrant blue flowers that bloom continuously throughout the growing season. Unlike its upright relatives, it spreads outward to form beautiful trailing masses perfect for hanging baskets and window boxes, with each stem producing dozens of dainty star-shaped blooms.

Care & maintenance

Light

Bright indirect light

Bright light, usually located near windows but doesn't receive direct rays for more than an hour during the day.

Temperature

Wide range (50°F - 80.6°F)

Fertilization frequency

Moderate

Monthly during the growing period.

Humidity & watering

Moderate

Keep the soil slightly moist.

An ambiant humidity between 40 and 60% is recommended.

Soil

Choose a General purpose mix: A versatile blend with excellent water retention and aeration. Provides balanced nutrition and suitable drainage for a wide variety of houseplants.

If you want to create your own substrate, you can make a mixture of the following soils:

Click on the soil name for more information.

Pot

Standard size

Standard size

Prefer a pot with a classic width/depth ratio.

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Features

Size & growth

Small

Trailing

Moderate growth

This plant grows at a moderate rate. It can reach up to 12 inches in height or spread.

It spreads horizontally, often along the ground.

Toxicity

Toxicity table by species
Cat
Dog
Human
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Reproduction & propagation

Fruits & flowers

Flowering & self-pollinating

The lobelia erinus can produce flowers and therefore fruits.
This plant is capable of self-pollination, it does not need another individual to fertilize itself and therefore produce fruits.

Propagation methods

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