Assertion: grass aloe | /r/HasProperty | aloe cooperi
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text: Although the vast majority of aloes thrive in U.S. Department of Agriculture plant hardiness zone 9 and above, some varieties, such as Coopers hardy grass aloe (Aloe cooperi), grass aloe (Aloe ecklonis), spiral aloe (Aloe polyphylla), Basuto kraal aloe (Aloe stiatula) and partridge breast aloe (Aloe variegata) survive to USDA zone 8a.