Appearance and hardiness of Oaks vary widely, but all produce acorns preceded by inconspicuous flowers. Single nuts are more or less enclosed in a cuplike cap covered with many closely set scales. In some species, the acorns are edible,with a sweet flavor. Some oaks are widely planted over large areas, while others have a limited rangeQuercus rubra
Fast growth to 60–75 ft. tall, 50 ft.wide,with spreading branches and rounded canopy. Bark becomes quite dark and fissured with age. Leaves 5– 8 in. long, 4–6 in.wide,with three to seven pairs of sharp-pointed lobes.New leaves and leafstalks are red or bright yellow in spring, dark green in summer, turning dark red, ruddy brown, or orange in fall.Acorns are 3/4–1 in. long, shaped like a toy top, enclosed by onethird in shallow cap; often profuse, creating litter on pavement.Needs fertile soil and regular moisture. High-branching habit and reasonably open shade make it a good tree for big lawns, parks, broad avenues.Deep roots make it good to garden under. Known host of the fungus that causes sudden oak death.
North American native. Species grows to 4 ft. tall, 1 ft.wide. Garden selections are shorter (to 2 ft....
Native from the Mediterranean to Iran. Dependable old favorite. Forms mat of leaves to 6 in. high, 1 1...
Native from California’s desert mountains east to New Mexico and Texas, north to Wyoming. Grows ...