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  2. List of pests and diseases of roses - Wikipedia

    en.wikipedia.org/wiki/List_of_pests_and_diseases...

    Many of the problems affecting roses are seasonal and climatic. [1] Some varieties of roses are naturally more resistant or immune than others to certain pests and diseases. Cultivation requirements of individual rose species and cultivars, when observed, often assist in the prevention of pests, diseases and disorders. [2]

  3. Garden roses - Wikipedia

    en.wikipedia.org/wiki/Garden_roses

    In the late 20th century, traditional hybrid tea and floribunda rose varieties fell out of favour with many gardeners and landscapers, as they are often labour and chemical intensive plants susceptible to pest and disease problems. So-called "landscape" roses (also known as "ground cover" roses) have thus been developed to fill the consumer ...

  4. Rosa multiflora - Wikipedia

    en.wikipedia.org/wiki/Rosa_multiflora

    It is a scrambling shrub climbing over other plants to a height of 3–5 m (9 ft 10 in – 16 ft 5 in), with stout stems with recurved prickles (sometimes absent). The leaves are 5–10 cm (2–4 in) long, compound, with 5–9 leaflets and feathered stipules.

  5. Diphasiastrum digitatum - Wikipedia

    en.wikipedia.org/wiki/Diphasiastrum_digitatum

    Diphasiastrum digitatum is a perennial vascular plant that does not contain a significant amount of wood tissue above or at the ground. They are low-growing, usually measuring less than 30 cm tall. [5]

  6. Rosa spithamea - Wikipedia

    en.wikipedia.org/wiki/Rosa_spithamea

    Rosa spithamea is a species of rose known by the common names ground rose [1] and coast ground rose. It is native to Oregon and California , where it grows in forest and chaparral habitats , especially areas recently burned .

  7. Star Roses and Plants/Conard-Pyle - Wikipedia

    en.wikipedia.org/wiki/Star_Roses_and_Plants/...

    Star Roses and Plants/Conard-Pyle, [1] is a horticultural products company, based in West Grove, Pennsylvania since 1855. The company introduced the Peace rose to America from Europe, and always specialized in rose production, but at one time, they were the leading Canna grower and hybridizer in the United States.

  8. Pesticide drift - Wikipedia

    en.wikipedia.org/wiki/Pesticide_drift

    Pesticide drift, also known as spray drift, is the unintentional diffusion of pesticides toward nontarget species. It is one of the most negative effects of pesticide application. Drift can damage human health, environment, and crops. [1] [2] Together with runoff and leaching, drift is a mechanism for agricultural pollution. [3]

  9. Diplocarpon rosae - Wikipedia

    en.wikipedia.org/wiki/Diplocarpon_rosae

    The disease is found everywhere roses are planted, typically in epidemic proportions. [8] The water-borne dispersal methods allow it to infect a plethora of plants every growing season and increase the overall incidence of disease. Although Diplocarpon rosae does not kill the rose itself, it is known to completely defoliate the leaves of the ...