Plant Care Arizona Thistle

Arizona Thistle

Also known as

Carduus arizonicus, Carduus bipinnatus, Carduus calcareus, Carduus diffusus, Carduus nidulus, Carduus pulchellus, Carduus rothrockii, Carduus truncatus, Cirsium arizonicum nidulum, Cirsium bipinnatum, Cirsium calcareum, Cirsium calcareum calcareum, Cirsium calcareum pulchellum, Cirsium chuskaense, Cirsium diffusum, Cirsium effusum, Cirsium navajoense, Cirsium nidulum, Cirsium pulchellum, Cirsium pulchellum bipinnatum, Cirsium pulchellum diffusum, Cirsium pulchellum glabrescens, Cirsium pulchellum pulchellum, Cirsium rothrockii, Cnicus bipinnatus, Cnicus calcareus, Cnicus diffusus, Cnicus effusus, Cnicus nidulus, Cnicus rothrockii diffusus and Cnicus rothrockii rothrockii


Cirsium arizonicum

How to care for Arizona Thistle


How often to water your Arizona Thistle

Water needs for Arizona Thistle
0.5 cups
every 9

Arizona Thistle 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.

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 Arizona Thistle in your home

Light needs and placement for plant Arizona Thistle: 1ft from a window
1ft or less from
a window

Arizona Thistle love being close to bright, sunny windows 😎.

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

Arizona Thistle does not tolerate low-light 🚫.

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


How to fertilize Arizona Thistle

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

Water Needs
Sunlight Needs

Care Summary for Arizona Thistle

Arizona Thistle

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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