Assertion: hellebore | /r/Desires | supplemental irrigation
Facets:
value: during the driest spells
type: TEMPORAL
value: during periods of dry weather
type: TEMPORAL
Source sentences:
text: Once established, hellebore requires supplemental irrigation only during periods of dry weather.
text: After a year or so, hellebores become quite drought-tolerant , only requiring supplemental irrigation during the driest spells.