Hard To Kill -

For those without a "green thumb," selecting plants that can survive neglect is a common goal:

Scientists often use the phrase to describe organisms or pathogens that exhibit extraordinary resistance: Hard to Kill

: Low-maintenance options like the Snake Plant or ZZ Plant are often marketed as "hard to kill" because they thrive in low light and require minimal watering. For those without a "green thumb," selecting plants

: The Washington Post notes that viruses like SARS-CoV-2 are "hard to kill" because they aren't technically alive; they are simply genetic material waiting for a host, making them resilient to many traditional environmental threats. For example, some argue that "though hope is

Metaphorically, the phrase applies to abstract concepts like hope or human spirit. For example, some argue that "though hope is frail, it's hard to kill," emphasizing that internal resolve often outlasts external hardship. It has also been used in business contexts, where "cockroach startups" are defined by their ability to survive lean times through extreme frugality and persistence.