Project Description

Astrophytum myriostigma 'Bishop's Hat' succulent care and propagation information cardPin

Astrophytum myriostigma ‘Bishop’s Hat’

This columnular cacti starts off as a small, rounded plant, and grows taller with 5 to 10 ribs as it matures. The plant is gray-green, with white tufts of “hair” instead of spikes along its ribs. It produces sweet smelling yellow flowers after it reaches maturity.

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Quick Look:
  • Full sun to partial shade

  • Not suited for indoor growing

  • Typical water needs for a succulent. Do not water in the Winter (see below for additional information)

  • Plant grows up to 3′ (91 cm) tall

    Plant grows up to 8″ (20 cm) wide

  • Zone 10a (Minimum 30° F | -1.1° C)

  • Not cold hardy

  • Propagation by seeds

  • Generally non-toxic to humans and animals

  • Winter Dormant

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Care and Propagation Information

General Care for Astrophytum myriostigma ‘Bishop’s Hat’

Astrophytum myriostigma ‘Bishop’s Hat’  adds a lot of interest to an outdoor rock garden or container garden. Watch for yellow summers in the Summer.


Astrophytum myriostigma ‘Bishop’s Hat’ 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. Do not water in the winter, when ‘Bishop's Hat' is dormant. Doing so could lead to root rot.

Where to Plant

‘Bishop’s Hat’  is not cold hardy, so if you live in a zone that gets colder than 30° F (-1.1° C), it's best to plant this succulent in a container that can be brought indoors and placed under a grow light. It does well in full to partial sun.

Plant in an area of your garden that gets 6 hours of sunlight a day. If planting indoors, place in a room that gets a lot of sunlight, such as near a southern-facing window (if you're in the Northern Hemisphere).

How to Propagate Astrophytum myriostigma ‘Bishop's Hat'

Astrophytum myriostigma ‘Bishop's Hat' can be propagated from seeds.

Sow your seeds in a well-draining soil. You can grow Astrophytum seeds outdoors if you live in an zone above 9a. If you live in a cooler area, you can begin sowing indoors under a grow light or on a seed mat.

Pairs Well With

Aloe plicatilis “Fan Aloe”

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