Need help with growing lilies in a container
I am going to plant some lilies in a container and need some help. My current plan is to get a large terracotta pot (16" or so) and fill it with several different kind of lily bulbs (may be 4 or so), so that they grow together and bloom at different times. I was thinking of terracotta instead of the usual plastic because it weights more.
In most tutorials they suggest adding some broken pottery over the hole to prevent soil from coming out during watering? Do I need to do that? Can I substitute anything else because I don't have broken pottery lying around. Can I line the bottom with gravel?
How often do you think I'll need to water it? Are there simple self watering system I can use?
I usually do organic, but there's probably no decent eco-system inside a pot, is weak solution of fertilizer better or something like time release pellet better?
Finally, when winter comes, what do I do? I was told that overwintering in pots are harsher than in the ground. Can I move them in the unheated garage and cover them with straw?