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 located in Charlotte, North Carolina.

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.

Plant care guide for Canada thistle in Charlotte, North Carolina

Charlotte, North Carolina

49% Low

Growing Canada thistle in Charlotte right now

Light needs for plant Canada thistle in Charlotte, North Carolina

Plant growth potential is currently low 📉

December 8th, 2021

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

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

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Light needs for plant Canada thistle in Charlotte, North Carolina

Sunlight intensity will decrease by 20.5% ☀️

December 8th, 2021

Charlotte is trending towards lower sunlight intensity!

The amount of sunlight in Charlotte is expected to decrease by 20.5% over the next 2 weeks to an average of 8.6 megajoules of energy per m2

Read more

Light needs for plant Canada thistle in Charlotte, North Carolina

Daylight will decrease by 0.7 hours 📉

December 7th, 2021

This month, Charlotte is getting an average of 8.9 hours of clear sky sunlight per day.

Hours of daylight will decrease by 7.2% over the next two weeks. Your plants will get 9.6 total hours of day…

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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 ensure it receives enough light to survive during this time of reduced sunlight intensity in Charlotte, North Carolina ⛅.

Canada thistle does not tolerate low-light 🚫.


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.

When to repot Canada thistle

Nutrient needs for plant Canada thistle in Charlotte, North Carolina

Is this a good time of year to repot? No ⏳

December 8th, 2021

The growing potential in Charlotte is low 📉.

Repotting in late fall or winter when the day lengths are shorter can be very stressful for a plant and cause it to go into shock.

It's best to rep…

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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 your location in Charlotte, North Carolina, the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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