General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: In Water
Minimum cold hardiness: Zone 9a -6.7 °C (20 °F) to -3.9 °C (25 °F)
Maximum recommended zone: Zone 11
Plant Height: 4 to 6 foot spread in a 2 to 3 gallon pot. 6-8 feet in a 5 to 10 gallon pot
Plant Spread: Leaves sit on the surface, flowers up to 4 inches above the surface; depth from pot to water's surface: 6 to 26 inches from surface to root
Leaves: Other: Olive green
Flowers: Showy
Flower Color: Blue
Bloom Size: 3"-4"
Flower Time: Other: When water temperature is 70 degrees until frost
Underground structures: Tuber
Uses: Water gardens
Propagation: Other methods: Division
Containers: Suitable in 3 gallon or larger

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Location: Missouri Botanical Garden in St Louis
Date: 2023-08-14
Location: St Louis - MoBOT
Location: Fairfax, VA | September 2022
Date: 2022-09-03
Location: MOBOT, St Louis
Date: 2011-08-09
Location: My house
Date: July

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