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Wildflowers
Blue Lobelia (Lobelia siphilitica)
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Blue Lobelia (Lobelia siphilitica)
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POTTED PLANTS
Very similar to cardinal flower. Both are good choices for rain gardens.
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Item #:
LOSIP
Binomial
Lobelia siphilitica
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Small pot: $3.15
Quart pot: $6.30
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Description
Plant Rating
Very similar to cardinal flower. Both are good choices for rain gardens.
Uses: Rain gardens, bees, butterflies, hummingbirds
Bloom time: September - October
Height: 18 to 30 inches
Space: 10 to 16 inches
Sun: Full sun to light shade
Moisture: Average to moist
Seed: Germinates fairly easily. The tiny seeds need light to germinate, so sow them on moist soil and don't bury them at all.
200 seeds per packet
520,000 seeds per ounce
1 ounce per 10,000 square feet
1 pound per 5.5 acres
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5/5 rating
Delightful, late-blooming blue flowers
I absolutely adore this native! I planted it in a sunny, north-facing flat area that gets a little afternoon shade (almost no shade around midsummer) in clay soil. This had numerous bumblebees the entire time it was blooming (which for me was late August through early October)! The bees seemed especially pleased in later September, before the asters started blooming. The flowers start from the base & open towards the ends of the flower spikes. It was a rich, vivid blue, just like this picture. The flowers have a very fun, funky tube shape like a mouth. The white spots help with the mouth image, like goofy teeth. It needed a little more water than its neighbors, but that was mostly me desperately wanting it to survive during the very dry summer. I'm generally **very stingy** with watering my garden (I buy plants that I know will survive my neglect), so when I say I watered it more, I mean I watered it as much as a normal water-conserving gardener would water non-natives. I am very much looking forward to seeing it again this year!
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Reviewed by:
Marika Wade
from Kansas City on 1/6/2023
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Light Preference
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Full sun
Light Preference
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Full sun to light shade
Bloom Period
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Sept - Oct
Color
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Blue
Plant Size
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Mid-sized
Moisture
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Average
Moisture
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Moist
Characteristics
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Good for Rain Gardens
Characteristics
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Attracts Bees
Characteristics
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Attracts Butterflies
Characteristics
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Attracts Hummingbirds
Professional Opinion
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3-star
Characteristics
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Deer Resistant
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