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Also known as
Roman wormwood, Common ragweed and Low ragweed
Taxonomy
Ambrosia artemisiifolia
Ambrosia
Asteraceae
Asterales

How to care for Annual Ragweed

How often to water your Annual Ragweed

every 9
Annual Ragweed needs 0.5 cups of water every 9 when it doesnāt get direct sunlight and is potted in a 5" pot.
Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Water 0.5 cups every
9

Check the growing potential in your area
A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for Annual Ragweed in your home

a window
Annual Ragweed love being close to bright, sunny windows š.
Place it less than 1ft from a south-facing window to maximize the potential for growth.
Annual Ragweed does not tolerate low-light š«.
Select your region to see how the current weather in your area affects the placement of Annual Ragweed in your home š”.

How to fertilize Annual Ragweed

Most potting soils come with ample nutrients which plants use to produce new growth.
By the time your plant has depleted the nutrients in its soil itās likely grown enough to need a larger pot anyway.
To replenish this plant's nutrients, repot your Annual Ragweed after it doubles in size or once a yearāwhichever comes first.

Annual Ragweed can be challenging to care for, according to some plant parents. Check out the reviews down below to learn from their experiences!
Water Needs
Annual Ragweed prefers for the soil to dry out between waterings and should be watered regularly. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Sunlight Needs
Annual Ragweed requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive šŖ. Select your region to see how the current weather in your area affects the placement in your home š”.
Toxicity
Annual Ragweed is not safe to consume. If you, a family member, or a pet has ingested any amount of plant material contact Poison Control, US (800) 222-1222, or your veterinarian. If you have children, cats, or dogs in the home, we suggest keeping this plant out of reach.
Soil
Annual Ragweed does best in well-draining soil. A good soil will contain lots of organic matter such as coco coir as well as perlite or vermiculite to help with drainage. Adding a handful of perlite to regular store-bought potting soil should do the trick!
Fertilizer
Annual Ragweed is a fast growing plant and may deplete the nutrients in its soil over time. Replenish them with a gentle organic fertilizer or compost every 1-2 months depending on your location and season. Fertilize more often during the growing season and in warmer and brighter climates.
Growth Pattern
Annual Ragweed grows vertically and new growth will emerge from the top of the plant.
Propagation
The seeds of Annual Ragweed can be used to grow new plants! After your plant flowers, any seeds that formed can be collected and germinated in potting soil.
Care Summary for Annual Ragweed
Annual Ragweed
Greg recommends:

0.5 cups every 9 days

< 1ft from a window

Repot after 2x growth
Based on the 4ā pot your plant is in, and that it doesnāt get direct sunlight.
