Plant Care Cobweb Thistle

Cobweb Thistle

About Cobweb Thistle

Cobweb Thistle is a super rare houseplant 🌿 that needs regular watering to thrive. They do best in long-lasting, direct light ☀️ and should be less than 1 foot from a window.

Cobweb Thistle likes soil that is well draining. You may want to supplement with a gentle, organic fertilizer throughout the peak growing season.


Cirsium occidentale

Also known as

cobweb thistle and cobwebby thistle

How to care for Cobweb Thistle


How often to water your Cobweb Thistle

Water needs for Cobweb Thistle
0.5 cups
every 9

Cobweb 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 Cobweb Thistle in your home

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

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

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

Cobweb Thistle does not tolerate low-light 🚫.

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


How to fertilize Cobweb Thistle

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

Water Needs
Sunlight Needs
Growth Pattern
Growing Outdoors

Care Summary for Cobweb Thistle

Cobweb 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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