How Deep to Plant Hardy Water Lilies?

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addy1

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Mine are from a foot to 3 foot deep. They all do fine.
 
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The only consideration I would give as far as depth is in the spring - I often move mine closer to the surface for a few weeks to get them into the warmer water and sunshine. They start growing a bit faster. Once it's consistently warm they go back to their usual spots. But in a 24 inch deep pond in zone 7 you may not even need to worry about that.
 
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addy1

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Same here I sink mine for the winter, bring up shallow until they get growing. Then push around until they are spread out enough.
 
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What is the best type of pot to plant them in?
 
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addy1

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maybe.............. the plants make a lot of root mass and the tubers grow in and out of the pot. If too many grow out you have that weight pulling the edge down. But the litter and root mass is heavy so they might do ok.

Best way to know is to try. The roots might poke through the fabric of the pot.
 
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OK That being said. I just removed a canna plant that was one and now it is three.The roots are huge. I haven't removed any Lilly's yet so will the roots become huge as will and need to be removed every year to cut the roots back?
 

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I mainly groom tubers, in 2-3 years the roots replace all the clay, then I might remove some roots and replace with new clay.
If there is a lot of dead roots, black rotting look I will cut them out. If the lily really takes over i.e. a lot of tubers, I will then select the best, save some of the roots, and repot. I have not done a heavy grooming in about 2 years now.
 
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One more thing. Again in zone 8 what about the hardy floating plants? Can i just leave them in the pond for the winter.
 

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Yes, I leave all my hardy plants in the pond, they all nicely die back and come back in the spring.
 

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Some float, like the parrots feather, the yellow heart, bog bean. Some totally float some have a bit anchored in dirt, same type of plants.

I don't do water lettuce, or hyacinths.

What hardies are you asking about?
 
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By virtue of being called "hardy" it means they can survive the coldest temps in your zone. Something that's hardy to you would only be an annual in colder zone.
 
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