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Plant these as a winter sowing or cold stratify them for spring planting. Swamp sunflower (H. angustifolius) . As its name suggests, swamp sunflower tolerates wetter sites than other sunflowers.
If water runs straight through your plant’s pot or the potting soil cracks and shrinks away from the pot’s sides, it may be time to repot your plant into fresh soil. Related: The 7 Best ...
Here are the best spring flowers your garden needs to shine this season. As soon as it gets warmer, go ahead and take in all the stunning and colorful blooms. 35 Spring Flowers to Plant Right This ...
Tithonia diversifolia is a species of flowering plant in the family Asteraceae that is commonly known as the tree marigold, [2] Mexican tournesol, Mexican sunflower, Japanese sunflower or Nitobe chrysanthemum. It is native to Mexico and Central America but has a nearly pantropical distribution as an introduced species. [1]
Globally, sunflowers are the fourth most important oil crop. Most of the sunflower seed crop is crushed for oil, and most of the oil is consumed by humans. A major byproduct of crushing is protein-rich cake, an excellent feed for livestock. A tiny proportion of the global sunflower crop is directly eaten as “nuts” or kernels.
Heliotropism, a form of tropism, is the diurnal or seasonal motion of plant parts (flowers or leaves) in response to the direction of the Sun. The habit of some plants to move in the direction of the Sun, a form of tropism, was already known by the Ancient Greeks. They named one of those plants after that property Heliotropium, meaning "sun turn".
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Helianthus (/ ˌ h iː l i ˈ æ n θ ə s /) [3] is a genus comprising around 70 species of annual and perennial flowering plants in the daisy family Asteraceae commonly known as sunflowers. [ 4 ] [ 5 ] Except for three South American species, the species of Helianthus are native to North America and Central America .