Nery I am nowhere close to zone 9/10 but I have found that growing mine in pots they do much better. I only have 2 gallon size pots as my largest and I 'm going to spring for some 3 gallons. I think the larger the pot the bigger my large hostas will get. All my minis go into pots automatically, too easy to lose them sometimes.
I'm getting more and more interested in hostas and I'm being selective on colors.
