And that is why USA had 3x the number of dead citizens than Canada did from Covid 19 (per capita).
"Closing big box store garden centers" is not "banning sale of seeds". It does close some spots where you can buy seeds. But the point was things not needed for life & security in the next month where not to be sold in person, because pandemic.
At least around here, big box stores had a thriving curbside pickup system during lockdowns. It was annoying and awkward and sucked, but it avoided masses of people sharing airflow and spreading covid 19.
Which bought Canada time to vaccinate, even after our contracts for vaccine delivery was blocked from export from the USA (we relied on European/Indian/UK vaccines for a while; Canada bought about 10 vaccine courses per person in order to ensure supply disruption was minimized; so 33% of our purchased vaccines being blocked from export was a problem, but not an insurmountable one; later India blocked exports. By the time USA started honouring their vaccine contracts we had vaccinated our most vulnerable populations with mostly European produced vaccines.)