Blue flag (Iris versicolor)
Description
Blue flag is a herb characterized by its bright purple and yellow flowers and is popular with hummingbirds.
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Gardening Tips
| Care | Known Problems | How to Harvest | Mature Size | Notes/Uses |
|---|---|---|---|---|
| Prefers wet, acidic soil with around 6 pH; Once planted, the rhizomes will continue to extend and the plant will become more tolerant to pH and humidity; Partial shade is recommended | Toxic for humans to ingest, and can even cause skin irritation if touched | Is not harvested, Blue flag attracts pollinators that may also pollinate the other plants near it | Height: up to 2 feet | Attracts pollinators, toxic to humans |