Black Thistle
Taxonomy
Carduus nigrescens subsp. assoi
Carduus
Asteraceae
Asterales
How to care for Black Thistle
How often to water your Black Thistle
every 9
Black 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
9
Finding light for Black Thistle in your home
a window
Black Thistle may have difficulty thriving, and will drop leaves 🍃, without ample sunlight.
Place it less than 3 feet from a south-facing window to maximize the potential for growth.
Select your region to see how the current weather in your area affects the placement of Black Thistle in your home 🏡.
How to fertilize Black Thistle
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 Black Thistle after it doubles in size or once a year—whichever comes first.
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Can you eat the leaves #NoddingThistle
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My first public propagation pilfering #NoddingThistle I found this beautiful fuzzy pink ball behind my car thats growing in the back of my car mechanics parking lot. It was among weeds so I plucked off the top, it's super prickly!! I now have it in water to see what grows. Does anyone grow this indoors or outdoors?
Care Summary for Black Thistle
Black Thistle
Greg recommends:
Water
0.5 cups every 9 days
Placement
< 3ft from a window
Nutrients
Repot after 2x growth
Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.