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  2. List of Award of Garden Merit dahlias - Wikipedia

    en.wikipedia.org/wiki/List_of_Award_of_Garden...

    'Moonfire' (VanDusen Botanical Garden, Stan Shebs)The following is a list of dahlia cultivars which have gained the Royal Horticultural Society's Award of Garden Merit.They are tuberous perennials, originally from South America, with showy daisy-like composite flowerheads in all shades and combinations of white, yellow, orange, pink and red, flowering in late summer and autumn (fall).

  3. List of flower bulbs - Wikipedia

    en.wikipedia.org/wiki/List_of_flower_bulbs

    The bulbs need some exposure to cold temperatures for 12 to 14 weeks in order to bloom. [1] Flower bulbs are generally planted in the fall in colder climates. The bulbs go dormant in the winter but they continue to absorb water and nutrients from the soil and they develop roots. [2] Most bulbs produce perennial flowers.

  4. List of Dahlia species - Wikipedia

    en.wikipedia.org/wiki/List_of_dahlia_species

    There are 42 accepted species of flowering plants in the genus Dahlia, according to The Plant List. [1] The sectional classification of Dahlia sensu Sørensen (1969) [ 2 ] as updated by Saar et al. (2003) [ 3 ] and Hansen (2004) [ 4 ] and (2008) [ 5 ] is as follows (excluding infraspecific taxa);

  5. List of Dahlia cultivars - Wikipedia

    en.wikipedia.org/wiki/List_of_Dahlia_cultivars

    The horticultural cultivation of the dahlia plant has resulted in over 57,000 registered cultivars of dahlia. [1] Several of them are listed below. In North America the American Dahlia Society [2] is responsible for the process of accepting a named variety as a cultivar. They also publish the list of currently found Dahlia Cultivars in North ...

  6. Dahlia - Wikipedia

    en.wikipedia.org/wiki/Dahlia

    The first plant was called Dahlia pinnata after its pinnate foliage; the second, Dahlia rosea for its rose-purple color. In 1796, from the parts sent by Cervantes, Cavanilles flowered a third plant, which he named Dahlia coccinea for its scarlet color. In 1798, Cavanilles sent D. pinnata seeds to Parma, Italy.

  7. Ornamental bulbous plant - Wikipedia

    en.wikipedia.org/wiki/Ornamental_bulbous_plant

    The bulbs are produced to satisfy the demand for bulbs for parks, gardens and as house plants, in addition to providing the bulbs necessary for the production of cut flowers. The international trade in cut flowers has a worldwide value of approximately 11,000 million Euros, which gives an idea of the economic importance of this activity.

  8. List of Northern American nectar sources for honey bees

    en.wikipedia.org/wiki/List_of_Northern_American...

    A honey bee collecting nectar from an apricot flower.. The nectar resource in a given area depends on the kinds of flowering plants present and their blooming periods. Which kinds grow in an area depends on soil texture, soil pH, soil drainage, daily maximum and minimum temperatures, precipitation, extreme minimum winter temperature, and growing degre

  9. Dahlia pinnata - Wikipedia

    en.wikipedia.org/wiki/Dahlia_pinnata

    Dahlia pinnata is a perennial herbaceous plant with a rhizome and tuberous roots, reaching a height of 70 to 120 centimetres (28 to 47 inches), rarely 160 cm.The stem is erect, and branched only in the inflorescence.