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Flowering plant bulbs are planted beneath the surface of the earth. 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 ...
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.
Longitudinal section through bulb Cross section of onion bulb. The bulb's leaf bases, also known as scales, generally do not support leaves, but contain food reserves to enable the plant to survive adverse conditions. At the center of the bulb is a vegetative growing point or an unexpanded flowering shoot.
Smaller bulbs will take longer to produce flowers. You can choose to replant new bulbs or save them for the following season. If you save them, store bulbs the in a cool dark area.
In addition, most spring-flowering bulbs require a long period of “chill time” to bloom well, meaning months of temperatures in the 30s and low 40s. That means in zones 7 to 10, you'll need to ...
Amaryllis (/ ˌ æ m ə ˈ r ɪ l ɪ s /) [1] is the only genus in the subtribe Amaryllidinae (tribe Amaryllideae).It is a small genus of flowering bulbs, with two species.The better known of the two, Amaryllis belladonna, is a native of the Western Cape region of South Africa, particularly the rocky southwest area between the Olifants River Valley and Knysna.