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Ornamentality

Some ornamental value (B)

Bulb PlantBulb Plant (6)

USDA Hardiness Zone 7, even 6b. The plant tolerates low temperatures (-15 C even  -20 C), it can be covered by snow for months (1 - 8 months).USDA Hardiness Zone 7, even 6b. The plant tolerates low temperatures (-15 C even -20 C), it can be covered by snow for months (1 - 8 months). (1)

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Zoellnerallium andinum

USDA Hardiness Zone 8. The plant tolerates low temperatures (-8 C), can tolerate occasional snow cover for up to a couple of weeks per year.USDA Hardiness Zone 8. The plant tolerates low temperatures (-8 C), can tolerate occasional snow cover for up to a couple of weeks per year. (1)

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Valeriana sp. #1103

USDA Hardiness Zone 9.  The plant does not tolerate snow, but can tolerate occasional freezing spells of about - 5 C (the typical morning frost of central Chile).USDA Hardiness Zone 9. The plant does not tolerate snow, but can tolerate occasional freezing spells of about - 5 C (the typical morning frost of central Chile). (2)

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Oziroe arida

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Valeriana sp. #1103

USDA Hardiness Zone 10 and 11. The plant does not tolerate freezing.USDA Hardiness Zone 10 and 11. The plant does not tolerate freezing. (2)

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Conanthera urceolata

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Zoellnerallium serenense