is oct in the houst, texas area a good time to plant shrubs. i have some boxwood shrubs and several oak trees in 10 gallon buckets that i bought summer of 2002, also the local nurseries are having the 50 to 70% sales now on most landscape items. is it a good time to put them into the ground? its about the 70's and the heat is behind us now. it won't get into the 30's till jan.