Plant Care Roman Wormwood

Roman Wormwood

Also known as

Annual Ragweed, Annual Ragweed, Roman wormwood, Common ragweed and Low ragweed


Ambrosia artemisiifolia

How to care for Roman Wormwood


How often to water your Roman Wormwood

Water needs for Roman Wormwood
0.5 cups
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 Aloha, Oregon.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Calculate water needs of Roman Wormwood

Water 0.5 cups every

Does your plant get direct sunlight?

Select the pot size


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.

Plant care guide for Roman Wormwood in Aloha, Oregon

Aloha, Oregon

25% Very Low

Growing Roman Wormwood in Aloha right now

Light needs for plant Roman Wormwood in Aloha, Oregon

Daylight will increase by 1.1 hours 📈

January 24th, 2023

This month, Aloha is getting an average of 7.1 hours of clear sky sunlight per day.

Hours of daylight will increase by 12.3% over the next two weeks. Your plants will get 9.8 total hours of daylig…

Read more

Finding light for Annual Ragweed in your home

Light needs and placement for plant Roman Wormwood: 1ft from a window
1ft or less from
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 Aloha, Oregon ⛅.

Roman Wormwood does not tolerate low-light 🚫.


How to fertilize Roman Wormwood

Nutrient, fertilizer, and repotting needs for Roman Wormwood: repot after 2X growth

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.

Difficulty Level

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
Sunlight Needs
Growth Pattern

Care Summary for Roman Wormwood

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 Aloha, Oregon, the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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