Wisteria, Double Japanese Wisteria
Wisteriafloribunda 'Violacea Plena'

<h1>Wisteria, Double Japanese Wisteria<br><i>Wisteria</i><i>floribunda</i> 'Violacea Plena'</h1>

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                            <b>Family: Fabaceae</b>
                                    (fab-AY-see-ee)<br>
                                                        <b>Genus: <i>Wisteria</i></b>
                                    (wis-TEER-ee-uh)<br>
                                        
                            <b>Species: <i>floribunda</i></b>
                                    (flor-ih-BUN-duh)<br>
                            
                            <b>Cultivar: Violacea Plena</b><br>
            
                            Additional cultivar information: (aka Black Dragon)<br> 
                        
                        
                        
            
                        
                        
                        
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                                                        <P><B>Category</B></P>
                                                                        Shrubs<BR>
                                                                                                Vines and Climbers<BR>
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                                                        <P><B>Water Requirements</B></P>
                                                                        Drought-tolerant; suitable for xeriscaping<BR>
                                                                                                Average Water Needs;  Water regularly; do not overwater<BR>
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                                                        <P><B>Sun Exposure</B></P>
                                                                        Full Sun<BR>
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                                                        <P><B>Foliage</B></P>
                                                                        Deciduous<BR>
                                                                                                Provides Winter Interest<BR>
                                                                                                Smooth<BR>
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                                                        <P><B>Foliage Color</B></P>
                                                                        Unknown
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                                                        <P><B>Height</B></P>
                                                                        15-20 ft. (4.7-6 m)<BR>
                                                                                                20-30 ft. (6-9 m)<BR>
                                                                                                30-40 ft. (9-12 m)<BR>
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                                                        <P><B>Spacing</B></P>
                                                                        20-30 ft. (6-9 m)<BR>
                                                                                                30-40 ft. (9-12 m)<BR>
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                                                        <P><B>Hardiness</B></P>
                                                                        USDA Zone 4a: to -34.4 °C (-30 °F)<BR>
                                                                                                USDA Zone 4b: to -31.6 °C (-25 °F)<BR>
                                                                                                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>Where to Grow</B></P>
                                                                        Unknown
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                                                                                                    <P><B>Danger</B></P>
                                                                        All parts of plant are poisonous if ingested<BR>
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                                                                                                    <P><B>Bloom Color</B></P>
                                                                        Blue-Violet<BR>
                                                                                                Medium Purple<BR>
                                                                                                Dark Purple/Black<BR>
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                                                                                                    <P><B>Bloom Characteristics</B></P>
                                                                        This plant is attractive to bees, butterflies and/or birds<BR>
                                                                                                Flowers are fragrant<BR>
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                                                                                                    <P><B>Bloom Size</B></P>
                                                                        Unknown
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                                                                                                    <P><B>Bloom Time</B></P>
                                                                        Mid Spring<BR>
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                                                                                                    <P><B>Other details</B></P>
                                                                        <b>May be a noxious weed or <a href="http://davesgarden.com/terms/go/500.html">invasive</a></b><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>
                                                                        Unknown
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                                                                                                    <P><B>Propagation Methods</B></P>
                                                                        From semi-hardwood cuttings<BR>
                                                                                                From hardwood cuttings<BR>
                                                                                                From seed; direct sow outdoors in fall<BR>
                                                                                                By grafting<BR>
                                                                                                By simple layering<BR>
                                                                                                Self-sows freely; deadhead if you do not want volunteer seedlings next season<BR>
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                                                                                                    <P><B>Seed Collecting</B></P>
                                                                        Allow pods to dry on plant; break open to collect seeds<BR>
                                                                                                Seed does not store well; sow as soon as possible<BR>
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