Plant Care American Sneezeweed

American Sneezeweed

Also known as

yellowdicks, yellow sneezeweed, fiveleaf sneezeweed, and bitter sneezeweed


Helenium amarum

How to care for American Sneezeweed


How often to water your American Sneezeweed

Water needs for American Sneezeweed
0.5 cups
every 9

American Sneezeweed needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in San Jose, California.

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 American Sneezeweed

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 American Sneezeweed in San Jose, California

San Jose, California

39% Low

Growing American Sneezeweed in San Jose right now

Light needs for plant American Sneezeweed in San Jose, California

Plant growth potential is currently low 📉

February 1st, 2023

Sunlight intensity as measured by “net radiation” in San Jose is currently low 📉.

The availability of high quality sunlight in your home impacts ability for plants to thrive and is key in determin…

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Light needs for plant American Sneezeweed in San Jose, California

Sunlight will increase by 38.1% ☀️

February 5th, 2023

San Jose is trending towards greater sunlight intensity!

The amount of sunlight in San Jose is expected to increase by 38.1% over the next 2 weeks to an average of 11.8 megajoules of energy per m2…

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Light needs for plant American Sneezeweed in San Jose, California

Daylight will increase by 1.0 hours 📈

January 31st, 2023

This month, San Jose is getting an average of 8.1 hours of clear sky sunlight per day.

Hours of daylight will increase by 10.2% over the next two weeks. Your plants will get 10.6 total hours of da…

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Finding light for American Sneezeweed in your home

Light needs and placement for plant American Sneezeweed: 1ft from a window
1ft or less from
a window

American Sneezeweed 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 San Jose, California ⛅.

American Sneezeweed does not tolerate low-light 🚫.


How to fertilize American Sneezeweed

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

Difficulty Level

American Sneezeweed is generally considered an easy-to-care-for plant and makes a great choice for beginners!

Water Needs
Sunlight Needs
Growth Pattern
Growing Outdoors

Care Summary for American Sneezeweed

American Sneezeweed

American Sneezeweed

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

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

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