Plant Care Common Blue-Sow-Thistle

Common Blue-Sow-Thistle

Also known as

Agathyrsus macrophyllus, Cicerbita macrophylla macrophylla, Hieracium cicerbita, Mulgedium cacaliifolium cacaliifolium, Mulgedium cacaliifolium genuinum, Mulgedium dubium, Mulgedium glabrum, Mulgedium grande, Mulgedium grande grande, Mulgedium lazicum, Mulgedium macrophyllum macrophyllum, Sonchus cordifolius and Sonchus luxurians


Lactuca macrophylla

How to care for Common Blue-Sow-Thistle


How often to water your Common Blue-Sow-Thistle

Water needs for Common Blue-Sow-Thistle
0.5 cups
every 9

Common Blue-Sow-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

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 Common Blue-Sow-Thistle in your home

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

Common Blue-Sow-Thistle love being close to bright, sunny windows 😎.

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

Common Blue-Sow-Thistle does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Common Blue-Sow-Thistle in your home 🏡.


How to fertilize Common Blue-Sow-Thistle

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

Water Needs
Sunlight Needs
Native Region

Care Summary for Common Blue-Sow-Thistle

Common Blue-Sow-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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