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  2. White Pines Forest State Park - Wikipedia

    en.wikipedia.org/wiki/White_Pines_Forest_State_Park

    The 385-acre (156 ha) park contains the southernmost remaining stand of native white pine trees in the state of Illinois, and that area, 43 acres (17 ha), was designated an Illinois Nature Preserve in 2001. The area was poised to become a state park in 1903, but a veto by Governor Richard Yates prevented that from occurring. Supporters ...

  3. When to Stop Pruning Plants for the Season, According to ...

    www.aol.com/stop-pruning-plants-season-according...

    Just because the growing season is coming to an end doesn’t mean that your work in the garden is through. Many plants, trees, and shrubs require pruning during different times of the year so ...

  4. Diplodia tip blight - Wikipedia

    en.wikipedia.org/wiki/Diplodia_tip_blight

    Scots pine, red pine, Mugo pine, Ponderosa pine, and Austrian pine are especially susceptible. Some spruce, fir, and cedar species are also vulnerable to infection. [ 3 ] The disease can infect trees of all ages, though trees that are physiologically stressed through water or nutrient deficiencies or wounded via extreme weather or insect damage ...

  5. Christmas tree cultivation - Wikipedia

    en.wikipedia.org/wiki/Christmas_tree_cultivation

    Christmas tree cultivation is an agricultural, forestry, and horticultural occupation which involves growing pine, spruce, and fir trees specifically for use as Christmas trees. The first Christmas tree farm was established in 1901, but most consumers continued to obtain their trees from forests until the 1930s and 1940s.

  6. Western white pine - Wikipedia

    en.wikipedia.org/wiki/Western_white_pine

    Western white pine is a large tree, regularly growing to 30–50 metres (98–164 ft) tall. It is a member of the white pine group, Pinus subgenus Strobus , and like all members of that group, the leaves ('needles') are in fascicles (bundles) of five, [ 5 ] with a deciduous sheath.

  7. Pinus resinosa - Wikipedia

    en.wikipedia.org/wiki/Pinus_resinosa

    The leaves snap cleanly when bent; this character, stated as diagnostic for red pine in some texts, is however shared by several other pine species. The cones are symmetrical ovoid , 4–6 cm ( 1 + 1 ⁄ 2 – 2 + 1 ⁄ 4 in) long by 2.5 cm (1 in) broad, and purple before maturity, ripening to nut-blue and opening to 4–5 cm ( 1 + 1 ⁄ 2 –2 ...