You are buying 1 Willow Oak 12-18" in a 4" pot. These are very handsome oaks with willow like leaves. Foliage is bright green in summer and yellow, russet in fall. Fast growing it tolerates poorly drained soil. Prefers acid soil and full sum. Grows to 40-60' tall with a 35' spread. Hardy in zones 5-9. Planting instructions included with every order. We are a licensed nursery cert#2235 in the state of TENNESSEE. Shipping is 7.95 and 1.00 for each additional pot. California orders ship bare root due to soil restrictions Nov-April only. We do not ship to AK, HI PR Thank you for looking at our items.