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

How to care for Roman Wormwood

How often to water your Roman Wormwood

every 9
Roman Wormwood needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in Colorado Springs, Colorado.
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.
Colorado Springs, Colorado
38% Low

Growing Roman Wormwood in Colorado Springs right now
Plant growth potential is currently low 📉
January 26th, 2023
Sunlight intensity as measured by “net radiation” in Colorado Springs is currently low 📉.
The availability of high quality sunlight in your home impacts ability for plants to thrive and is key in …
Daylight will increase by 0.9 hours 📈
January 27th, 2023
This month, Colorado Springs is getting an average of 8.7 hours of clear sky sunlight per day.
Hours of daylight will increase by 9.7% over the next two weeks. Your plants will get 10.4 total hour…
Finding light for Annual Ragweed in your home

a window
Roman Wormwood love being close to bright, sunny windows 😎.
Place it less than 1ft from a south-facing window to ensure it receives enough light to survive during this time of reduced sunlight intensity in Colorado Springs, Colorado ⛅.
Roman Wormwood does not tolerate low-light 🚫.

How to fertilize Roman Wormwood

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 it’s likely grown enough to need a larger pot anyway.
To replenish this plant's nutrients, repot your Roman Wormwood after it doubles in size or once a year—whichever comes first.

Roman Wormwood can be challenging to care for, according to some plant parents. Check out the reviews down below to learn from their experiences!
Water Needs
Roman Wormwood 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
Roman Wormwood requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive 💪. Select your region to see how the current weather in your area affects the placement in your home 🏡.
Toxicity
Roman Wormwood 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
Roman Wormwood 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
Roman Wormwood 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
Roman Wormwood grows vertically and new growth will emerge from the top of the plant.
Propagation
The seeds of Roman Wormwood 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 Roman Wormwood
Roman Wormwood
Greg recommends:

0.5 cups every 9 days

< 1ft from a window

Repot after 2x growth
Based on your location in Colorado Springs, Colorado, the 4” pot your plant is in, and that it doesn’t get direct sunlight.
