Blue Lobelia

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Product Overview

Blue Lobelia (Lobelia syphilitica)

The bright blue spikes of flowers are 1' to 3' high. This popular pond plant is an excellent bloomer and easy to grow. Blue Lobelia blooms mid to late summer through fall.

Hardiness Zone: 3-11
Planting Container: We recommend a 2 gallon solid planting container or a medium planting bag.
Light Requirements: full sun to part shade
Height: 2'-4' - Spread: 12"
Water Depth: Moist soil or water up to 3" deep (Maximum water depth is for mature bog plants)

For planting instructions see our: Planting Instructions for Bog Plants Page.


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  • 5
    Arrived looking very healthy

    Posted by Unknown on Mar 28th 2017

    This little plant arrived looking healthy. I set it in pond water for a few days, as instructed, and planted it in the pond today. It appears to be adjusting nicely.