Ambrosia Trifida

Description

Ambrosia Trifida, commonly known as Giant Ragweed, is a tall annual plant that grows up to 16 feet tall. It is native to North America and is commonly found in fields, along roadsides, and other disturbed areas. The plant produces small yellow-green flowers, and its leaves are deeply lobed and hairy. The plant is known for its ability to produce large amounts of pollen, which can trigger allergies in humans.

Taxonomic Information

Appearance

Ambrosia Trifida is a tall plant that can grow up to 16 feet tall. Its leaves are deeply lobed and hairy, and its stems are also hairy. The plant produces small yellow-green flowers that bloom from July to October. The flowers are located in clusters on the top of the plant. The plant produces large amounts of pollen, which can cause allergies in humans.

Care Guide

Ambrosia Trifida is a hardy plant that requires minimal care. It is drought-tolerant and can grow in a variety of soil types. The plant prefers full sun and can tolerate a wide range of temperatures. Water the plant regularly, especially during periods of drought. Fertilize the plant once a month during the growing season. The plant can grow in hardiness zones 3-10.

Common Pests & Diseases

Ambrosia Trifida is not prone to many pests or diseases. However, it is susceptible to powdery mildew, which can be treated with a fungicide. The plant is also prone to aphids, which can be treated with an insecticide. Root rot can occur if the plant is overwatered, so be sure to water the plant only when the soil is dry.

Habitat

Ambrosia Trifida is native to North America and is commonly found in fields, along roadsides, and other disturbed areas. The plant can tolerate a variety of soil types and can grow in full sun or partial shade. It is a hardy plant that can grow in hardiness zones 3-10.

Question and Answer

Q: Is Ambrosia Trifida an invasive species?

A: Yes, Ambrosia Trifida can be considered an invasive species in some areas.

Q: Can Ambrosia Trifida be used for medicinal purposes?

A: Yes, Ambrosia Trifida has been used in traditional medicine to treat a variety of ailments.

Q: Can Ambrosia Trifida be grown in a container?

A: No, Ambrosia Trifida is a tall plant that requires a lot of space to grow.

Q: Is Ambrosia Trifida toxic to pets?

A: Yes, Ambrosia Trifida can be toxic to pets if ingested.

Related Plants

• Ambrosia artemisiifolia
• Ambrosia chamissonis
• Ambrosia dumosa
• Ambrosia psilostachya

References

• “Giant Ragweed.” Missouri Botanical Garden. Accessed 3 May 2021. <https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=m640>.
• “Ambrosia trifida.” USDA Plants Database. Accessed 3 May 2021. <https://plants.usda.gov/home/plantProfile?symbol=AMTR3>.
• “Ambrosia Trifida.” Illinois Wildflowers. Accessed 3 May 2021. <https://www.illinoiswildflowers.info/weeds/plants/g_ragweed.htm>.