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Don't Plant These
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Hedychium coronarium
white ginger
Designation: High Risk
Score: 14
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Hedychium gardnerianum
Himalayan ginger, kahili ginger, toilet brush ginger
Designation: High Risk
Score: 16
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Heteropterys brachiata
Beechey's withe, redwing
Designation: High Risk
Score: 7
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Hypericum perforatum
common St. Johnswort
Designation: High Risk
Score: 12
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Ilex aquifolium
English holly
Designation: High Risk
Score: 16
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Indigofera suffruticosa
wild indigo
Designation: High Risk
Score: 11
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