Blue Lobelia (Lobelia siphilitica)

Blue Lobelia (Lobelia siphilitica)

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Lobelia siphilitica
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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