The city could get up to an inch of snow by early Friday morning, according to weather experts.
Horticulturalists at the garden said the snow did not kill the blooms.
Fist-sized chunks of ice fell off 30 Rock and hit people standing on the sidewalk Wednesday.
A freeze warning was in place Wednesday morning.
Flurries are expected to start falling around 7 p.m. Tuesday, the National Weather Service said.
The city could get hit by up to two inches of snow Tuesday, experts said.
Doherty faced record snow and criticism over the city's response.
After balmy temperatures, Thursday is not expected to top 26 degrees.
A city council report showed the borough had the least amount of plows.
Schools were open and subways running close to normal for Monday's rush-hour commute.
Forecasters predicted the city could see as much as 10 inches of snow on Sunday through Monday.
A wintry mix of snow, sleet and rain is expected to hit Monday afternoon.
Mayor Bill de Blasio and Al Roker put their feud behind them on the "Today" show Monday morning.
Central Park is looking at another two inches of snow Wednesday, the National Weather Service said.
The West Side Highway was shut down from 8:30 a.m. to about 3:30 p.m. Wednesday.
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