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Zinnia haageana is a species of flowering plant in the family Asteraceae from Mexico. [1] It is an annual which does not tolerate freezing temperatures, so in temperate zones must be sown under cover, and planted out when all danger of frost is past. Growing to 40 cm (16 in), it prefers a sunny position.
Zinnia elegans (syn. Zinnia violacea) known as youth-and-age, [3] common zinnia or elegant zinnia, is an annual flowering plant in the family Asteraceae.It is native to Mexico but grown as an ornamental in many places and naturalised in several places, including scattered locations in South and Central America, the West Indies, the United States, Australia, and Italy.
Tender plants are those killed by freezing temperatures, while hardy plants survive freezing—at least down to certain temperatures, depending on the plant. "Half-hardy" is a term used sometimes in horticulture to describe bedding plants which are sown in heat in winter or early spring, and planted outside after all danger of frost has passed.
Zinnia bidens – Glossocardia bidens; Zinnia liebmannii – Philactis zinnioides; Zinnia elegans, also known as Zinnia violacea, is the most familiar species, originally from the warm regions of Mexico being a warm–hot climate plant. Its leaves are lance-shaped and sandpapery in texture, and height ranges from 15 cm to 1 meter.
Zinnia grandiflora is a species of flowering plant in the family Asteraceae known by the common names Rocky Mountain zinnia and plains zinnia. [2] It is native to the southwestern and south-central United States (Kansas, Oklahoma, Texas, Colorado, New Mexico, Arizona) [3] and northern Mexico (Chihuahua, Coahuila, Sonora, Tamaulipas, Nuevo León, Zacatecas).
Today's Wordle Answer for #1332 on Monday, February 10, 2025. Today's Wordle answer on Monday, February 10, 2025, is GOODY. How'd you do? Up Next:
Typical vernalization temperatures are between 1 and 7 degrees Celsius (34 and 45 degrees Fahrenheit). [ 4 ] For many perennial plants , such as fruit tree species, a period of cold is needed first to induce dormancy and then later, after the requisite period, re-emerge from that dormancy prior to flowering.
Thermotolerance is the ability of an organism to survive high temperatures. An organism's natural tolerance of heat is their basal thermotolerance . [ 1 ] Meanwhile, acquired thermotolerance is defined as an enhanced level of thermotolerance after exposure to a heat stress.