spring up like mushrooms

To increase in number suddenly and rapidly (as mushrooms often do). Even though I'm constantly tending to my garden, the weeds just spring up like mushrooms nonetheless. I thought I only had a transmission problem, but other issues with the car are now springing up like mushrooms.

Common Names:

Name	Pronounced	Usage
Lynnette	li-NET	English
Goro	go-ṙo:	Japanese
Dragutin	-	Serbian, Croatian, Slovene, Medieval Slavic
Raelyn	RAY-lin	English (Rare)
ThorbjÖRn	-	Swedish
Lieber	-	Yiddish