Plant Care Common Ragweed

Common Ragweed

Also known as

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


Ambrosia artemisiifolia

How to care for Common Ragweed


How often to water your Common Ragweed

Water needs for Common Ragweed
0.5 cups
every 9

Common Ragweed needs 0.5 cups of water every 9 when it doesn’t 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.

Calculate water needs of Common Ragweed

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.

Select a city to check sunlight intensity

Finding light for Annual Ragweed in your home

Light needs and placement for plant Common Ragweed: 1ft from a window
1ft or less from
a window

Common Ragweed love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to maximize the potential for growth.

Common Ragweed does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Common Ragweed in your home 🏡.


How to fertilize Common Ragweed

Nutrient, fertilizer, and repotting needs for Common Ragweed: 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 Common Ragweed after it doubles in size or once a year—whichever comes first.

Difficulty Level

Common 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
Sunlight Needs
Growth Pattern

Care Summary for Common Ragweed

Common Ragweed

Common Ragweed

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

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

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