Can these grow in containers or must be planted?

[secuono]

I just hope they're not yellow.
They'll move into my pond eventually.
Older pics, bit of a disaster currently. $600 pumps(each) keep dying, algae, moved away, so on. Hot mess. Gotta rework it.
View attachment 72847View attachment 72848

Sad winter mess

 

[Shades-of-Oregon]

@secuono The quote “Mess” that your referring to is juat another way of saying an active gardener is at work.