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Google Plant Images

Ambrosia artemisiifolia
( Common Ragweed )

Summer annual weed with hairy leaves and branched stems. Male and female flowers separate. Grows in pastures and fields. Weed common to the southeastern and northwestern United States. Seed reproduction. Produces abundant pollen and is known for causing hay fever.


How to Grow this Plant:


Where can you buy this plant: Did you try Plant Finder?

Characteristics
Cultivar:n/a  
Family:Compositae  
Size:Height: 0 ft. to 7 ft.
Width: 0 ft. to 0 ft.  
Plant Category:annuals and biennials,  
Plant Characteristics:low maintenance,  
Foliage Characteristics: 
Foliage Color:green,  
Flower Characteristics: 
Flower Color: 
Tolerances: 
Requirements
Bloomtime Range:Late Spring to Mid Summer  
USDA Hardiness Zone:2 to 10  
AHS Heat Zone:Not defined for this plant  
Light Range:Any  
pH Range:Not defined for this plant  
Soil Range:Sandy Loam to Clay Loam  
Water Range:Any  

Plant Care



Fertilizing
Light
Conditions : Full to Partial Sun

Full sunlight is needed for many plants to assume their full potential. Many of these plants will do fine with a little less sunlight, although they may not flower as heavily or their foliage as vibrant. Areas on the southern and western sides of buildings usually are the sunniest. The only exception is when houses or buildings are so close together, shadows are cast from neighboring properties. Full sun usually means 6 or more hours of direct unobstructed sunlight on a sunny day. Partial sun receives less than 6 hours of sun, but more than 3 hours. Plants able to take full sun in some climates may only be able to tolerate part sun in other climates. Know the culture of the plant before you buy and plant it!

Watering
Conditions : Normal Watering for Outdoor Plants

Normal watering means that soil should be kept evenly moist and watered regularly, as conditions require. Most plants like 1 inch of water a week during the growing season, but take care not to over water. The first two years after a plant is installed, regular watering is important for establishment. The first year is critical. It is better to water once a week and water deeply, than to water frequently for a few minutes.

Planting
Problems
Weeds : Preventing Weeds and Grass

Weeds rob your plants of water, nutrients and light. They can harbor pests and diseases. Before planting, remove weeds either by hand or by spraying an herbicide according to label directions. Another alternative is to lay plastic over the area for a couple of months to kill grass and weeds.

You may apply a pre-emergent herbicide prior to planting, but be sure that it is labeled for the plants you are wishing to grow. Existing beds may be spot sprayed with a nonselective herbicide, but be careful to shield those plants you do not want to kill. Non-selective means that it will kill everything it comes in contact with.

Mulch plants with a 3 inch layer of pinestraw, pulverized bark, or compost. Mulch conserves moisture, keeps weeds down, and makes it easier to pull when necessary.

Porous landscape or open weave fabric works too, allowing air and water to be exchanged.

Miscellaneous
Glossary : Annual

An annual is any plant that completes its life cycle in one growing season.

Glossary : U. S. Natives

Native plants require lower maintenance and usually have less pest problems. They are key components in the xeriphytic landscape and backyard wildlife habitat. Select your region and the search will look for all plants in the database that are native to your area.

Glossary : Tolerant

Tolerant refers to a plant's ability to tolerate exposure to an external condition(s). It does not mean that the plant thrives or prefers this situation, but is able to adapt and continue its life cycle.

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