Root builder rolls question

[Daintree]

I just ordered a half roll of the 17" tall root builder material. I can't dig even an inch in my greenhouse because of all the maple tree roots, but I am going to try and let the plants just push their roots around and down.

After all these years, I do have a few trees that I have never moved, so I will start with those.

My question is "how much bigger than their current pot should I make the root builder pots?"

And also, what do you hold them together with? I was planning on zip ties...

Cheers,
Carolyn

[brian]

I think the usual guidance is about 4in wider diameter than the current size.  I usually cut the roll so that it has an extra 8-10in of overlap so that I can make it wider later by lessening the overlap.

I use zip to hold them together

[K-Rimes]

Your maple will root into those pots, ask me how I know!

I was overjoyed thinking my plants had rooted into the ground cause they would drink all their water so quickly and happily. Lol, nope, the oaks had broken through the asphalt and rooted into my potted plants.

[Jaboticaba45]

I'd suggest removing the maple trees lol.
I don't know if it has any value to you though.
I went straight ahead and put 3 gallons into maybe 15-20 gallon pots and it worked pretty well.
The big ones i have in ground in rootmakers are vigorous and healthy trees that are easy to keep alive like mango, sapodilla, jaboticaba, etc.
Not sure what you're trying to put in ground, but what brian suggested is a good recommendation. Especially if they are more sensitive, it's easier to control moisture. Be aware that you will have to water more often.
This can work well with trees that don't like wet feet.
That is how I am growing my rollinia.

Zip ties work well. I use 3-4 per pot.


Now if Mark in Texas could chime in too...
Jealous of his nice avocados.
Never got around to grwoing one.
One spot recently opened up in the greenhouse though so maybe I'll do a rootmaker avocado.