Photo by Kara Nursery
Used with permission, all rights reserved
Astrophytum myriostigma 'Onzuka'
Also Known As
- Bishop's Cap
- Bishop's Hat
- Bishop's Miter Cactus 'Onzuka'
Plant type
cactus / succulent
size
- H: 4"-24"
- W: 3"-9"
planting zones
- 9a-12
Astrophytum myriostigma 'Onzuka' plant details
Astrophytum myriostigma 'Onzuka' is an evergreen cactus / succulent with blue foliage. In fall, spring and summer yellow flowers emerge. Grows well with sun - dappled shade and occasional - low water. Drought tolerant once established. Prefers to be dry in winter, dry when dormant. Does well in gritty, lean, rocky and well-drained soil. A good option if you're seeking something heat tolerant and verticillium wilt resistant.
CHARACTERISTICS OF Astrophytum myriostigma 'Onzuka'
- Plant type: cactus / succulent
- Plant family: cactaceae
- Foliage: evergreen blue
- Mature size: 3 IN - 9 IN - wide, 4 IN - 24 IN - tall
- Flowers: yellow blooms in fall, spring and summer
- Uses: houseplant, spiky, xeric
GROWING CONDITIONS for Astrophytum myriostigma 'Onzuka'
- USDA Zones: 9a - 12
- Sun exposure: sun - dappled shade
- Watering frequency: occasional - low
- Resistant to: heat and verticillium wilt
- Soil needs: gritty, lean, rocky and well-drained
Nursery contributed plant descriptions
By: Kara Nursery
Garden photo gallery of Astrophytum myriostigma 'Onzuka'
Gardening facts about Astrophytum myriostigma 'Onzuka' plant
How to Grow Astrophytum myriostigma 'Onzuka'
Sun Exposure
- sun - dappled shade
Water Needs
- occasional - drought tolerant
Water Needs
- dry in winter
Water Needs
- dry when dormant
Soil Needs
- lean
- well-drained
- rocky
- gritty
Special Situation
- heat tolerant
- verticillium wilt resistant
Features
Foliage Color
- blue
Flower Color
- yellow
Flower Season
- fall
- summer
- spring
Foliage Season
- evergreen
Landscape groups by tags
See other plant types of Astrophytum for your garden
aka Astrophytum capricorne aurea, Astrophytum capricorne var. aureum, Astrophytum niveum, Echinocactus capricornis, Goat's Horn Cactus
Plant Type
Cactus / Succulent
Zones
9a-12
Size
Height: 6"-36"
Width: 4"-6"
- sun - mostly shade
- occasional - drought tolerant
- dry in winter
aka Astrophytum ornatum var. glabrescens, Echinocactus haageanus, Echinocactus holopterus, Echinocactus mirbelii, Echinocactus ornatus, Echinocactus tortus, Echinofossulocactus mirbelii, Echinopsis haageana, Monk's Hood, Star Cactus
Plant Type
Cactus / Succulent
Zones
9a-12
Size
Height: 12"-72"
Width: 6"-12"
- sun - mostly sun
- occasional - drought tolerant
- dry in winter
aka Astrophytum ornatum mirabelli, Astrophytum ornatum mirbellii, Monk's Hood
Plant Type
Cactus / Succulent
Zones
9b-12
Size
Height: 12"-72"
Width: 6"-12"
- sun - dappled shade
- occasional - drought tolerant
- dry in winter
aka Sea Urchin Cactus
Plant Type
Cactus / Succulent
Zones
9a-12
Size
Height: 1"-3"
Width: 2"-6"
- sun - mostly sun
- occasional - drought tolerant
- dry in winter
aka Bishop's Cap, Bishop's Miter
Plant Type
Cactus / Succulent
Zones
9a-12
Size
Height: 4"-36"
Width: 4"-6"
- sun - mostly sun
- occasional - drought tolerant
- dry in winter
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