Indoor Grown Tarragon Displays Brown, Dry Leaves Up The Stalk; Why?

Question

There seem to be as many dead leaves as live ones. Plant is 12” (30cm) tall and growing in a 1 gallon (4 L) plastic container.

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Answer 1

It looks like an infection. They do not tolerate moist soils. Here are some articles that will help:

https://www.gardeningknowhow.com/edible/herbs/tarragon/growing-tarragon-indoors.htm

https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm