effect of spacing on root growth of Podocarpus gracilior
I am planting a 35 foot row of Podocarpus gracilior in my Los Angeles backyard as a screen up against a new 8 ft wooden fence. I am trying to decide how far apart to space them. The 10 I have purchased so far would be about 6-7 ft in the ground. I don't know if I should space them every 2 or 2.5 ft to get a completely solid hedge look quickly, or to buy fewer and space them a bit further apart & have gaps between them for awhile longer. The fence is not bad looking. My main question here is if there is an additional advantage of the roots staying smaller if they are planted close together. I usually see them planted 2 foot apart in the LA area, but I imagine they would eventually form a solid screen if they are 3 foot apart. Will they grow faster if planted 3 foot apart? They will be in full sun. I would ultimately like them around 12 foot high.
Thanks for your input