Japanese Water Iris, Japanese Flag, Russian Iris
Iris 'Royal One'

<h1>Japanese Water Iris, Japanese Flag, Russian Iris<br><i>Iris</i> 'Royal One'</h1>

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                            <b>Family: Iridaceae</b>
                                    (eye-rid-AY-see-ee)<br>
                                                        <b>Genus: <i>Iris</i></b>
                                    (EYE-ris)<br>
                                        
            
                            <b>Cultivar: Royal One</b><br>
            
                        
                            Hybridized by Ackerman
                        
                            1989<br>
                        
            
                        
                        
                        
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                                                        <P><B>Height</B></P>
                                                                        36-48 in. (90-120 cm)<BR>
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                                                        <P><B>Spacing</B></P>
                                                                        18-24 in. (45-60 cm)<BR>
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                                                        <P><B>Hardiness</B></P>
                                                                        USDA Zone 5a: to -28.8 °C (-20 °F)<BR>
                                                                                                USDA Zone 5b: to -26.1 °C (-15 °F)<BR>
                                                                                                USDA Zone 6a: to -23.3 °C (-10 °F)<BR>
                                                                                                USDA Zone 6b: to -20.5 °C (-5 °F)<BR>
                                                                                                USDA Zone 7a: to -17.7 °C (0 °F)<BR>
                                                                                                USDA Zone 7b: to -14.9 °C (5 °F)<BR>
                                                                                                USDA Zone 8a: to -12.2 °C (10 °F)<BR>
                                                                                                USDA Zone 8b: to -9.4 °C (15 °F)<BR>
                                                                                                USDA Zone 9a: to -6.6 °C (20 °F)<BR>
                                                                                                USDA Zone 9b: to -3.8 °C (25 °F)<BR>
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                                                        <P><B>Sun Exposure</B></P>
                                                                        Full Sun<BR>
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                                                        <P><B>Danger</B></P>
                                                                        Parts of plant are poisonous if ingested<BR>
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                                                        <P><B>Bloom Color</B></P>
                                                                        Green<BR>
                                                                                                Lavender<BR>
                                                                                                Medium Purple<BR>
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                                                        <P><B>Foliage</B></P>
                                                                        Herbaceous<BR>
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                                                        <P><B>Other details</B></P>
                                                                        Unknown
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                                                                                            <P><B>Propagation Methods</B></P>
                                                                        By dividing rhizomes, tubers, corms or bulbs (including offsets)<BR>
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                                                                                                    <P><B>Seed Collecting</B></P>
                                                                        N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed<BR>
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                                                                                                    <P><B>Soil pH requirements</B></P>
                                                                        5.6 to 6.0 (acidic)<BR>
                                                                                                6.1 to 6.5 (mildly acidic)<BR>
                                                                                                6.6 to 7.5 (neutral)<BR>
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                                                                                                    <P><B>Patent Information</B></P>
                                                                        Non-patented<BR>
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                                                                                                    <P><B>Class</B></P>
                                                                        Japanese (JI)<BR>
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                                                                                                    <P><B>Bloom Time</B></P>
                                                                        Midseason (M)<BR>
                                                                <BR>
                                                                                                    <P><B>Awards (if applicable)</B></P>
                                                                        Unknown
                                                                <BR>
                                                                                                    <P><B>Foliage Color</B></P>
                                                                        Unknown
                                                                <BR>
                                                                                                    <P><B>Bloom Characteristics</B></P>
                                                                        Unknown
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                                                                                                    <P><B>Water Requirements</B></P>
                                                                        Requires consistently moist soil; do not let dry out between waterings<BR>
                                                                                                Very high moisture needs; suitable for bogs and water gardens<BR>
                                                                <BR>
                                                                                                    <P><B>Where to Grow</B></P>
                                                                        Unknown
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