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Ragweed - Ambrosia
Ragweed - Ambrosia Artemisiifolia
Ragweed is a flowering plant found mostly in the Southwestern part of the U.S. Because the plant is so invasive, some species have found their way to parts of Europe. Scientists believe the ongoing spread may have been induced by climate change. If you suffer from allergies and this plant invades your property, you will be in for a very miserable time. The ragweed plant has a great deal of pollen. In fact, more than half of the allergic reactions triggered across the country come from ragweed. Since it adds no real value to the property, homeowners spend most of their time trying to kill it. Ragweed is very common and easy to identify. The plant's long yellow flowers, which are topped with pollen-producing males and bottom-dwelling females, tend to form clusters. This particular species may grow more than 4 meters in height.
Unlike most plants, ragweed thrives in poor, untilled soils. However, the plant is intolerant of being mowed. One of the best ways to control ragweed is by continuous mowing and cultivation if your flower bed is being invaded. Since ragweed tends to like poor soils, the addition of compost and other organic materials may keep it from taking root. Some people prefer to use herbicides to eradicate ragweed, but this may or may not work depending on the aggressiveness of the plant.
If you spot ragweed on your property, eradication methods should undertake as quickly as possible. A fully mature plant can produce over 60,000 seeds. Once airborne, ragweed pollen can be carried 300-400 miles. The effects of ragweed as an allergen cannot be ignored. Ragweed allergy sufferers often have to deal with some unpleasant symptoms. It is estimated that one plant can distribute more than 1 billion pollen grains in a season.
Ragweed plant has both male and female parts of each plant. It will grow up to its full maturity in one year. The ragweed requires any moist soil.