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This is a list of U.S. state and territory plants and botanical gardens — plants and botanical gardens which have been designated as an official symbol(s) by a state or territory's legislature. 5 U.S. states and 1 U.S. territory have an official state/territory plant. 7 U.S. states have an official state botanical garden or arboretum.
Syringa vulgaris is a large deciduous shrub or multi-stemmed small tree, growing to 6–7 m (20–23 ft) high. It produces secondary shoots from the base or roots, with stem diameters up to 20 cm (8 in), which in the course of decades may produce a small clonal thicket. [1]
Syringa reticulata subsp. pekinensis (formerly known as Syringa pekinensis), also known as the Pekin lilac or the Chinese tree lilac, grows in an open, multi-stemmed form to a height of 15 to 20 feet (4.6 to 6.1 m), with a spread of 10 to 15 feet (3.0 to 4.6 m). They are native to northern China but grow in USDA hardiness zones 3 through 7. [1]
Lilacs grow most successfully in well-drained soils, particularly those based on chalk. [20] They flower on old wood, and produce more flowers if unpruned. If pruned, the plant responds by producing fast-growing young vegetative growth with no flowers, in an attempt to restore the removed branches. Lilac bushes can be prone to powdery mildew ...
Michigan is home to a surprising array of crops, including wild rice, mint, asparagus and sugar. Here are 10 things that grow in the state.
For practical purposes, Canada has adopted the American hardiness zone classification system. The 1990 version of the USDA Plant Hardiness Zone Map included Canada and Mexico, but they were removed with the 2012 update to focus on the United States and Puerto Rico. [8] The Canadian government publishes both Canadian and USDA-style zone maps. [20]
Visit the Idyllwild Lilac Garden nestled in the San Jacinto Mountains above Palm Springs and enjoy lilacs of 165 different colors.
It is a deciduous small tree growing to a height of 12 m (39 ft), rarely to 15 m (49 ft), with a trunk up to 30 cm (12 in), rarely 40 cm (16 in) in diameter; it is the largest species of lilac, and the only one that regularly makes a small tree rather than a shrub.