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Also known as
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 Common Sowthistle
How often to water your Common Sowthistle

every 9
Common Sowthistle 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
9
Finding light for Common Sowthistle in your home

a window
Common Sowthistle love being close to bright, sunny windows 😎.
Place it less than 1ft from a south-facing window to maximize the potential for growth.
Common Sowthistle does not tolerate low-light 🚫.
Select your region to see how the current weather in your area affects the placement of Common Sowthistle in your home 🏡.
How to fertilize Common Sowthistle

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 Common Sowthistle after it doubles in size or once a year—whichever comes first.
Care Summary for Common Sowthistle
Common Sowthistle
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.
