Plant Care Annual Sow Thistle

Annual Sow Thistle

Also known as

Common Sowthistle, Common Sowthistle, Sow thistle, Common sowthistle, Smooth sow thistle, Annual sow thistle, Hare's colwort, Hare's thistle, Milky tassel, Milk thistle, Soft thistle and Swinies

Taxonomy

Sonchus oleraceus
Sonchus
Asteraceae
Asterales

How to care for Annual Sow Thistle

Water

How often to water your Annual Sow Thistle

Water needs for Annual Sow Thistle
0.5 cups
every 9

Annual Sow 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 Louisville, Kentucky.

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 Annual Sow Thistle

Water 0.5 cups every
9

Does your plant get direct sunlight?

Select the pot size

5"
Light

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 Annual Sow Thistle in Louisville, Kentucky

Louisville, Kentucky

31% Very Low

Growing Annual Sow Thistle in Louisville right now

Light needs for plant Annual Sow Thistle in Louisville, Kentucky

Plant growth potential is currently low 📉

January 27th, 2023

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

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

Read more

Light needs for plant Annual Sow Thistle in Louisville, Kentucky

Sunlight will increase by 31.7% ☀️

January 27th, 2023

Louisville is trending towards greater sunlight intensity!

The amount of sunlight in Louisville is expected to increase by 31.7% over the next 2 weeks to an average of 8.8 megajoules of energy per…

Read more

Light needs for plant Annual Sow Thistle in Louisville, Kentucky

Daylight will increase by 0.9 hours 📈

January 27th, 2023

This month, Louisville is getting an average of 6.0 hours of clear sky sunlight per day.

Hours of daylight will increase by 9.5% over the next two weeks. Your plants will get 10.4 total hours of d…

Read more

Finding light for Common Sowthistle in your home

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

Annual Sow 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 Louisville, Kentucky ⛅.

Annual Sow Thistle does not tolerate low-light 🚫.

Nutrients

How to fertilize Annual Sow Thistle

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

FAQs
Difficulty Level

Annual Sow Thistle is generally considered an easy-to-care-for plant and makes a great choice for beginners!


Water Needs
Sunlight Needs
Toxicity
Soil
Fertilizer
Growth Pattern
Growing Outdoors
Propagation

Care Summary for Annual Sow Thistle

Annual Sow Thistle

Annual Sow Thistle


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 1ft from a window

Nutrients

Repot after 2x growth

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

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