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This is a list of U.S. state, federal district, and territory trees, including official trees of the following of the states, of the federal district, and of the territories. State federal district
In the United States, Lagerstroemia indica is a very popular flowering shrub/small tree in mild-winter states (USDA Zones 6–10). [6] Low maintenance needs make it a common municipal planting in parks, along sidewalks, highway medians and in parking lots.
Populus tremuloides is a deciduous tree native to cooler areas of North America, one of several species referred to by the common name aspen.It is commonly called quaking aspen, [2] [3] [4] trembling aspen, [2] [3] American aspen, [3] mountain or golden aspen, [5] trembling poplar, [5] white poplar, [5] and popple, [5] as well as others. [5]
Although live oaks retain their leaves nearly year-round, they are not true evergreens.Live oaks drop their leaves immediately before new leaves emerge in the spring. Occasionally, senescing leaves may turn yellow or contain brown spots in the winter, leading to the mistaken belief that the tree has oak wilt, whose symptoms typically occur in the sum
The trees of the Eastern Temperate Forests provide food, shelter, and a suitable habitat for countless species of both flora and fauna; they yield lumber, fuel, recreation, and aesthetic enjoyment to not only the people who live in this region, but also those who visit and enjoy products produced from the resources gleaned from these vast forests.
The species is monoecious with male and female catkins found on the same tree. [6] Some shoots are long and bear the male catkins at the tip, while others are short and bear female catkins. The immature male catkins are present during the winter, but the female catkins develop in the spring, soon after the leaves unfurl. [5]
The loss of leaves can kill or damage the affected trees, which are chiefly in the Lobatae or red oak section of Quercus, or oaks. Adult Acleris semipurpurana moths lay single eggs on oak tree branches in June which develop over winter and hatch the next April. The larvae eat tree buds and young leaves, then tie leaves together with silk (hence ...
Spring flowering types also do well in areas with deciduous trees, where they flower and produce leaves before the trees completely leaf-out. Crocuses are grown in USDA winter zones 3–8. [118] Not all species are hardy in the upper zones; C. sativus is winter hardy in USDA zones 6 through 8, and C. pulchellus is hardy in zones 5 through 8. [92]