Stable Mulch flings for 30 power, a Mulch item since Generation IV
PokéAPI item 97 of 2,223, Mulch category, Items pocket
Effect, in PokéAPI's words
Stable Mulch: “Berries stay on the plant for longer than their usual time.”
Used on a patch of soil: Fully-grown plant will last 25% longer before dying and possibly regrowing.
Games
Stable Mulch is listed in the text of 10 version groups, first in Generation IV
Game index by generation
IIIIIIIVVVIVIIVIIIIX
Named in
Diamond and PearlPlatinumHeartGold and SoulSilverBlack and WhiteBlack 2 and White 2X and YSun and MoonUltra Sun and Ultra MoonLet's Go Pikachu and Let's Go EeveeSword and Shield