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[citation needed] Some bulbs – such as tulips – need cold winters to bloom, while others – such as freesia – can survive a freezing winter. [citation needed] Many domestic plants are assigned a hardiness zone that specifies the climates in which they can survive. Winter gardens are dependent upon the cultivation of winter-hardy plants.
Cold hardening is a process in which a plant undergoes physiological changes to avoid, or mitigate cellular injuries caused by sub-zero temperatures. [1] Non-acclimatized individuals can survive −5 °C, while an acclimatized individual in the same species can survive −30 °C.
Viola imbricata, is a species of flowering plant in the family Violaceae.It is endemic to the Andes in Central Chile.It was described in 2024. [1] It is circumscribed within subgenus Neoandinium, which is composed by circa 140 species commonly known as Andean rosulate violas, distributed between the equator and southern Patagonia. [2]
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The flower of Viola reichenbachiana is bisexual, containing both male and female reproductive structures. [4] It has 3 or 5 narrow, non-overlapping petals that are a signature dull purple. [1] [4] The flower typically has 5 small, pointed sepals, 5 stamens, and 1 carpel. [1] These flowers can range from 1.5 to 2 cm across. [4]
When newly opened, Viola flowers may be used to decorate salads or in stuffings for poultry or fish. Soufflés, cream, and similar desserts can be flavoured with essence of Viola flowers. The young leaves are edible raw or cooked as a mild-tasting leaf vegetable. The flowers and leaves of the cultivar 'Rebecca', one of the Violetta violets ...
Keeping some or all this material in place until the following growing season, the insects are much more apt to survive the harsh winter conditions with the protection provided. By preserving the ...
Viola odorata is a species of flowering plant in the family Violaceae native to Eurasia. The small hardy herbaceous perennial is commonly known as wood violet , [ 1 ] sweet violet , [ 2 ] English violet , [ 2 ] common violet , [ 2 ] florist's violet , [ 2 ] or garden violet .