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Blue lobelia

Great Blue Lobelia


Description: Hardy Planting Zones- 4-9 Sun or Shade – Sun and Part Shade Mature Height - 24-36" Mature Width- 12-16" Bloom Season – Summer (July to September) Gardener Status- Beginner Soil Type- Loam/Sand/Clay.
This Plant Ships Bare Root To All States US Mail
Bareroot Button Plants are shipped Bareroot. See plants we ship.
  • Product Description

    Great Blue Lobelia - Lobelia siphilitica

    Blue lobelia (Lobelia siphilitica), also called great lobelia or blue cardinal flower, is a stalk plant that grows to be 2-3 feet tall and has gorgeous blue or sometimes light purple flowers gathered near the top of the stem. As well as having strikingly beautiful colors, they also attract hummingbirds, which are a beautiful sight to behold all on their own. Blue lobelia is also a great food source for bees, which is an immeasurably valuable trait, as bees are endangered and essential for plant life. Each plant should be planted about a foot apart, as they will grow to up to 4 feet, and will need their space. This plant will grow in climate zones 3-9 and requires moist to wet soil, as it is native to Eastern North America and commonly grows alongside streams, springs, swamps, and in meadows. It should be considered that this plant, in optimal growing conditions, is known to self-seed and form colonies. While this is a wonderful thing because it is so beautiful and has so many great benefits, it is also something to consider when planting them to ensure that they are in a place where it is alright if they do form colonies. Blue lobelia prefers full sun to part shade, but will tolerate full shade. It is also not known to have any insect problems or to be susceptible disease--great news for anyone who is looking for a great, low-maintenance plant. These plants will look great either on their own or will other plants of the same type, especially other lobelias, which come in a dazzling array of bold colors. They are also beautiful when planted among trees, one of their natural growing sites. Blue lobelia is a lovely addition to any back yard or garden, and will ship in seed form.

  • Product Reviews


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    1. Bright color

      The color goes well with a natural landscape, so its really making mine stand out. on Apr 1st 2017

    2. Planted well

      I planted it last year and was amazed at how small the plants were. They are doing nicely and growing good. on Mar 31st 2017

    3. Bag was broken

      My bags were broken and I couldnt tell which plant was which so I had to call. I am just hoping that I planted the right ones where I wanted them to go. on Mar 29th 2017

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