These stems are often called herbaceous.

Since they don't contain the thick, lignified tissue found in woody plants, herb stems are more delicate and can easily be crushed or broken.

This softness allows herbs to grow quickly, but also means they usually don't survive harsh conditions like winter without dying back. Herbs usually have one of the following stem types. 1.

Square stems: Found in plants like mint or basil, where the stems are four-sided and can be easily felt when touched. 2.

Round stems: More common, as seen in parsley or dill, where the stem is smooth and circular. 3.

Hollow stems: Like in fennel or coriander, where the stem is tube-like and hollow inside.

These stems are often packed with the aromatic oils that give herbs their distinctive flavors and scents.