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  2. Gymnosperm - Wikipedia

    en.wikipedia.org/wiki/Gymnosperm

    The gymnosperms (/ ˈ dʒ ɪ m n ə ˌ s p ɜːr m z,-n oʊ-/ ⓘ nə-spurmz, -⁠noh-; lit. ' revealed seeds ') are a group of woody, perennial seed-producing plants, typically lacking the protective outer covering which surrounds the seeds in flowering plants, that include conifers, cycads, Ginkgo, and gnetophytes, forming the clade Gymnospermae [2] The term gymnosperm comes from the ...

  3. Lepidium latifolium - Wikipedia

    en.wikipedia.org/wiki/Lepidium_latifolium

    The plant is most invasive in wetland habitats, including riparian zones; from there it easily spreads to other ecosystems, such as sagebrush. [3] It is perceived as a threat to salt marshes in southern New Hampshire, prompting the Department of Environmental Services and the U.S. Fish and Wildlife Service to look for it in the Hampton–Seabrook Estuary in 2008, where it is thought to have ...

  4. Crocus - Wikipedia

    en.wikipedia.org/wiki/Crocus

    Crocus (/ ˈ k r oʊ k ə s /; plural: crocuses or croci) is a genus of seasonal flowering plants in the family Iridaceae (iris family) comprising about 100 species of perennials growing from corms. They are low growing plants, whose flower stems remain underground, that bear relatively large white, yellow, orange or purple flowers and then ...

  5. When to start planting seeds indoors? Check your frost date - AOL

    www.aol.com/news/start-planting-seeds-indoors...

    February marks the midpoint of winter, and with spring just over the horizon, many gardeners are dreaming of sunny days and dirty fingernails. A week before the last frost date, begin to “harden ...

  6. Perennial crop - Wikipedia

    en.wikipedia.org/wiki/Perennial_crop

    Erosion control: Because plant materials (stems, crowns, etc.) can remain in place year-round, topsoil erosion due to wind and rainfall/irrigation is reduced [11]; Water-use efficiency: Because these crops tend to be deeper and more fibrously-rooted than their annual counterparts, they are able to hold onto soil moisture more efficiently, [12] while filtering pollutants (e.g. excess nitrogen ...

  7. Aralia cordata - Wikipedia

    en.wikipedia.org/wiki/Aralia_cordata

    It is an easy plant to grow, and does not require fertilizer. [12] The plant grows rapidly, attaining a size up to 1.8 to 2.7 metres (5.9 to 8.9 ft) in height and width in a single growing season. [3] It can tolerate freezing temperatures during winter, as it dies back and then re-grows in the spring, [13] yielding for six years or more. [9]

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