How to care for and propagate Sempervivum 'Sirius'Sempervivum 'Sirius' care and propagation informationPin

Sempervivum ‘Sirius’

This beautiful Sempervivum forms a large green rosette. The tips of the leaves flush red when it is “happily stressed,” adding a lot of color to your garden. Although it is monocarpic, the “Hen” puts off many chicks before it dies.

Quick Look:

  • Full sun to partial shade

  • Typical water needs for a succulent

  • Plant grows up to 3″ (7.6 cm) tall
    Plant grows up to 4″ (10 cm) wide

  • Zone 5a (Minimum -20° F | -28.8° C)

  • Winter hardy

  • Propagation by offsets

  • Non-toxic to humans and pets

  • Winter dormant

Care and Propagation Information

General Care for Sempervivum ‘Sirius'

Sempervivum ‘Sirius' is a great addition to rock gardens or cold-hardy succulent gardens. As it grows, it produces offsets, spreading out. ‘Sirius' is resiliant to many pests.


Sempervivum ‘Sirius' has typical watering needs for a succulent. It's best to use the “soak and dry” method, and allow the soil to dry out completely between waterings.

Where to Plant

‘Sirius' is cold hardy, and is able to withstand very cold winter temperatures. It does well in full to partial sun. Plant in an area of your garden that gets 6 hours of sunlight a day. It does not thrive indoors.

How to Propagate Sempervivum ‘Sirius'

Sempervivum ‘Sirius’ is perfect for outdoor succulent growers, and is very cold hardy. It propagates from offsets (chicks).


‘Sirius’ will produce small rosette offsets. Cut the offsets off from the main stem with a sharp, sterile knife or scissors. Allow the offsets to dry for one to two days before laying on well-draining soil.

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Stop killing your succulents with the help of this easy-to-use app

Keeping track of watering and remember the name of your succulent can be tricky. The Succulent Tracker App helps with both! Plus, it allows you to keep a photo history of your succulent, record when you repot or treat for pests, along with a number of other helpful actions.

Set a watering schedule for your succulent and the app will remind you when it’s time to water (so you’re not left wondering when you watered last).

Give it a try today to help you help your succulents thrive! Available on Apple and Android devices.