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Laguna® Dark Blue Lobelia

$14.99
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$14.99
  • Height 6-12 Inches
  • Width 12-24 Inches
  • Use as a spiller when using in containers
  • Rare shade of blue flowers!

Add Lobelia Lucia Dark Blue (Lobelia erinus) to your garden to add a dash of that hard to find blue colored flowers to your garden or container. The small, thin leaves of the green foliage will be mostly hidden when this plant is in full bloom in the spring and summer. Its mounded shape will grow 6 to 12 inches high with a 12 to 24-inch spread. Lobelia Lucia Dark Blue will grow best in part to full sun conditions.

This award-winning plant will bloom continuously throughout the growing season in the ground or in the spiller role in a container garden. It will trail 24 inches over the top of the container or window box. The flowers will attract birds and butterflies. Lobelia are deer resistant and are great annuals for areas with heavy deer populations. 

Laguna Dark Blue Lobelia Care

If you’re growing this plant in a container, allow the soil surface to dry out between waterings and make sure the pot has a drainage hole. Lobelia does not like wet feet. Lobelia Lucia Dark Blue will continue to bloom without deadheading. Lobelia may temporality stop blooming if the night temperature remains above 70 degrees for an extended time. Give the plant a trim to encourage a flush of new growth and more blossoms after the nighttime temperatures drop. Lobelia can also be trimmed to keep its size in check. Apply a balanced fertilizer or compost to your flower beds annually for best plant performance and flower production. Fertilize container-grown plants monthly or as directed on the package.

This plant is typically grown as an annual, but it is hardy in zones 9 to 11. It may survive indoors as a houseplant in full sun conditions.

Laguna Dark Blue Lobelia Spacing

Space individual plants 6 to 10 inches apart, center on center, in your garden. They may be spaced 3 to 4 inches apart from each other and other plants in a container. The blue flower color looks great when paired with bright colors or pastels.

Laguna® Dark Blue Lobelia Information

USDA Hardiness Zones: 9-11
Flower Color(s): Blue
Flower Description: Blue-True
Bloom Period: Planting To Frost
Foliage Color(s) Green
Light Exposure: Partial Sun to Full Sun
Height Class: Short
Height: 6-12 Inches
Spread: 12-24 Inches
Spacing: 6-10 Inches
Habit: Mounded
Watering: Average
Drought Tolerant: No
Attracts: Birds, Butterflies
Container Role: Spiller
Use Types: Container, Landscape
Features: Continuous Bloom or Rebloomer, Deadheading Not Necessary, Pollinator Attractor
Maintenance: Easy
Scientific Name: Lobelia erinus 'USLOB0901' USPP 21,791, Can 4,076
Common Name: Laguna® Dark Blue Lobelia
Other Name(s): Edging Lobelia
Plant Type: Annual
Brand: Proven Winners

Click here for more information on plant container sizes.

Plant Addict Guarantee (Included On All Plant Orders)

Plant Addicts guarantees your plant(s) will arrive happy and healthy, but the plant(s) are being shipped through the mail and accidents happen. If the plant is dead, has dried out roots or the incorrect item was shipped just notify Plant Addicts within 3 days upon delivery. We may ask for pictures but will try to make it as easy as possible for you. Please note plant(s) with damaged branches or wilted leaves will not qualify for this guarantee. Plants are very resilient and will rebound quickly when cared for correctly.

For information on how to care for you new plant please check out our guide. Guide: How to Care for Your New Plant(s)

Plant Addicts Warranty - 1 Year (Extra Purchase Required)

We encourage all plant lovers to purchase the Plant Addicts Warranty whether you’re new or an expert. There are many variables outside our control and yours that can cause the demise of your plant(s). Examples would be hungry animals, drought, poor soil conditions, over watering, disease, insects & many other factors. The Plant Addicts Warranty is a 1 year warranty protecting you from all the unknowns and will replace your plant if it moves on to the plant afterlife.

The warranty is purchased on a per plant basis and must be purchased at the same time as the plant purchase. We will cover 100% of the price of the plant but the warranty does not cover shipping cost. Simply let us know if your plant has died within one year of receiving it and we’ll get you a new one shipped out. We may ask for photos for documentation purposes but again we’ll try to make it as easy as possible.

For more information, please go to our Shipping & Returns page at the bottom of the website.

Guide: How to Care for Your New Plant(s)

Planter Shipping

Standard Colors: 2-3 business days

Special Order Colors: 8 weeks - this is due to the planter being custom made with the color(s) of your choice

Please Note: On special orders there can not be any cancellations

Plant Shipping

Time of Order:

Summer Shipping

  • If there is extreme heat we’ll delay shipping.  
    • We’ll have to review what areas the plants are traveling through along with your location


Once your plant is shipped you’ll receive an email with tracking information. Depending on the above criteria we’ll ship your plant(s) towards beginning of the following week from your order. We put together this helpful guide of what to do when you receive your plants in the mail.

It is important to know that all of our plants are clearly labeled for which growing zones the plant can survive in. The plants are thoroughly trialed and tested in every growing zone before we state the plant can grow in a zone. Again, our #1 priority is to ship the plants to you healthy and ready to thrive in your location. So we will do everything in our power to do so.