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Annual Sunflowers. The sunflower we all grew up drawing is Helianthus annuus or the annual sunflower.Breeders have been working with this species for years. Selections range from the dwarf ...
A beautiful spring garden starts in the off-season. While you may associate flowering bulbs with spring, the work for getting these beauties to bloom actually begins during fall and winter. Many ...
Perennial sunflower is a crop of sunflowers that are developed by crossing wild perennial and domestic annual sunflower species. Annual sunflower is a major oilseed crop. Genes from wild perennial relatives may increase root depth and mass and extend the growing season. These upgrades means future varieties with higher yields and better soil ...
Plants + Coffee, a Black Thumb sponsored event, is a meeting of people of color in Los Angeles' plant world to network over a shared love of plants and do volunteer work at MudTown Farms from 8 to ...
Map of average growing season length from "Geography of Ohio," 1923. A season is a division of the year marked by changes in weather, ecology, and the amount of daylight. The growing season is that portion of the year in which local conditions (i.e. rainfall, temperature, daylight) permit normal plant growth.
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".
Why are your daffodils coming up early? What to know about the garden staple and how to protect early sprouters through the rest of winter.
It can often be found growing on the sides of roads, particularly on southern exposures, needing full sun and ample moisture during its short growing season. The mature plants often grow and flower in mowed areas. In many parts of its native habitat, road sides are only mowed twice a year. In the late spring and again in late fall.