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Hardiness: USDA Zone 8a: to -12.2 °C (10 °F) USDA Zone 8b: to -9.4 °C (15 °F) USDA Zone 9a: to -6.6 °C (20 °F) USDA Zone 9b: to -3.8 °C (25 °F) USDA Zone 10a: to -1.1 °C (30 °F) USDA Zone 10b: to 1.7 °C (35 °F) USDA Zone 11: above 4.5 °C (40 °F)
Sun Exposure: Sun to Partial Shade Light Shade
Danger: Parts of plant are poisonous if ingested
Bloom Color: Pink Rose/Mauve Purple
Bloom Time: Late Spring/Early Summer Mid Summer
Foliage: Blue-Green Shiny/Glossy-Textured
Other details: Very high moisture needs; suitable for bogs and water gardens
Soil pH requirements: 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline)
Patent Information: Non-patented
Propagation Methods: By dividing rhizomes, tubers, corms or bulbs (including offsets)
Seed Collecting: Seed does not store well; sow as soon as possible
On Jun 8, 2012, smurfwv from Cabin Creek, WV (Zone 6a) wrote:
I wanted to clear up the heigth and with information, its incorrect. Queen emma can get over 6 feet tall and 8 feet wide, with flower spikes 6 feet tall. This plant should be spaced 4-6 feet apart.
This plant has been in my family for 45 years or more, my Dad had the plants and most of us kids now have them too, We live in Arizona
and it gets super hot here ,the plants i have reach to 7 feet or taller I
did not know they could get this big until I grew mine no one else here
has ever got theirs to grow this big! It produces babies like crazy I am always giving them away...I have 20 adult plants that all bloom, mine also start blooming as young plants...I love these plants they grow great in arizona,best in part shade...such a pretty bloom they give! On the list where they grow I did not see arizona, yes they grow in Yuma ,Az one of the hottest places in AZ.
Regional...
This plant has been said to grow in the following regions:
, Yuma, Arizona Huntington Beach, California Cape Coral, Florida Dunes Road, Florida Gainesville, Florida Haverhill, Florida Indian Harbour Beach, Florida Jacksonville, Florida Jan Phyl Village, Florida Oak Ridge, Florida Ocala, Florida Pine Hills, Florida Port Charlotte, Florida (2 reports) Sewall's Point, Florida St Petersburg, Florida Tampa, Florida Valrico, Florida Brunswick, Georgia Hilo, Hawaii Honomu, Hawaii Kailua Kona, Hawaii Kapaa, Hawaii New Orleans, Louisiana Old Jefferson, Louisiana Elizabeth City, North Carolina Philadelphia, Pennsylvania Cayce, South Carolina East Sumter, South Carolina Bryan, Texas College Station, Texas Galveston, Texas (2 reports) Houston, Texas Rockport, Texas San Antonio, Texas Spring, Texas Cabin Creek, West Virginia