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The Shumard Oak is one of the easiest and most adapatable shade trees you can grow. Does well in a variety of soil conditions, and it is anexcellent shade tree in a variety of landscape uses. Beautiful flame-orange fall foliage. Somewhat drought tolerant once established. low-maintenance.
Water young Shumard oaks two to three times per week during the first two months after planting. Keep the soil evenly moist. Apply 1 to 2 gallons of water for every 1 inch of trunk diameter during each watering. Reduce watering frequency to once per week after the two months. Reduce or stop supplemental watering during times of heavy rainfall. Never water the tree if the surrounding soil is soggy. Stop watering once the leaves change color in the fall.
Water established Shumard oaks only during periods of little to no rainfall or during long periods of extremely hot temperatures. Flood the ground around the base of the tree with a garden hose. Water until the soil is evenly moist but not soggy
Fertilize with a 10-10-10 slow-release fertilizer in spring once the tree’s leaves are fully developed. Apply the fertilizer at a rate of 1 tablespoon per square foot of soil. Spread the fertilizer evenly in a ring around the outer edges of the tree’s canopy. Mix the fertilizer into the top 3 inches of soil. Water the area thoroughly to activate the fertilizer
Prune the tree once per year, in the early spring before while the tree is still dormant and before leaves appear. Do not prune Shumard oaks in late spring or early summer as this is the time the insects that spread oak wilt disease are active. Remove any broken branches or limbs that are crossing or rubbing against others. Cut each branch selected for removal back to the main branch or trunk of the tree, 1/4 inch above the point where they connect. Use only sharp, clean pruning shears or loppers to prevent unnecessary damage or the spread of disease. Remove no more than one-third of the tree’s canopy at one time
Remove any diseased branches as soon as you see them. Cut the branch back to a point in the healthy wood, 1/4 inch above a lateral branch. Remove the branch entirely if it is heavily infected. Place diseased branches in a plastic garbage bag and tie it shut before discarding.