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Grow Beautiful Cardinal Flowers From Seed With These Helpful Tips
By LAUREN KRYSTAF
Native to the eastern U.S., cardinal flowers can be readily started from seeds. They need light and moisture to germinate and are heavy feeders, requiring regular fertilizing.
The best time to start seeds indoors is in early spring. Press them into moistened seed starting mix and use a finely graded growing medium that is moist and at room temperature.
Once your seedlings have germinated and reached a month old, pot them then fertilize with a liquid fertilizer, repeating every other week until they’re ready to be planted outside.
Four weeks later, you should be able to harden off the plants and transplant them outdoors in moist boggy soil along the edges of ponds, where they'll receive at least partial sun.