This was shot 2 Days following a 2 Night "Killing" hard Freeze;
with 2 days of daytime tempts only holding near 30F.
30-degree cold normally is just as deadly to warm weather plants as the upper teens.
It was just COLD, 24/7 for the two days.

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"Stronger" bushes went into cold shock and dropped all their leaves.
But several of my outdoors annuals are still going strong.
(Complete with a little Leaf Hopper that also survived)
Go figure.