Blight

Source: Player's Handbook (2024)

4th Level Necromancy (Druid, Sorcerer, Warlock, Wizard)

Casting Time: Action Range: 30 feet Components: V, S Duration: Instantaneous

A creature that you can see within range makes a Constitution saving throw, taking 8d8 Necrotic damage on a failed save or half as much damage on a successful one. A Plant creature automatically fails the save. Alternatively, target a nonmagical plant that isn’t a creature, such as a tree or shrub. It doesn’t make a save; it simply withers and dies. Using a Higher-Level Spell Slot.
The damage increases by 1d8 for each spell slot level above 4.