Plant Care Canada Thistle

Canada Thistle

Also known as

Creeping thistle and Field thistle


Cirsium arvense

How to care for Canada Thistle


How often to water your Canada Thistle

Water needs for Canada Thistle
0.5 cups
every 9

Canada 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.

Calculate water needs of Canada Thistle

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 Canada Thistle in your home

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

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

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

Canada Thistle does not tolerate low-light 🚫.

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


How to fertilize Canada Thistle

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

Difficulty Level

Canada Thistle 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
Growing Outdoors

Care Summary for Canada Thistle

Canada Thistle

Canada 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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