General Plant Information (Edit)
Plant Habit: Cactus/Succulent
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Minimum cold hardiness: Zone 10a -1.1 °C (30 °F) to +1.7 °C (35 °F)
Leaves: Evergreen
Other: Windowed
Fruit: Dehiscent
Fruiting Time: Spring
Late spring or early summer
Flowers: Inconspicuous
Flower Color: White
Suitable Locations: Xeriscapic
Resistances: Drought tolerant
Propagation: Other methods: Division
Containers: Needs excellent drainage in pots

Common names
  • Cathedral Window Haworthia

Photo Gallery
Location: my sunroom, Utah
Date: 2020-10-29
Location: Baja California
Date: 2020-02-08
Dozens of heads in an 8" pot
Location: Baja California
Date: 2017-10-05

Date: 2021-02-09
Macro image of Cathedral Window leaves

Date: 2022-04-19

Date: 2022-02-22

Date: 2022-07-26

Date: 2021-02-09
Macro image of Cathedral Window
Location: Baja California
Date: 2021-11-11
Location: Baja California
Date: 2023-11-03
8" pot
Location: Hortus Botanicus Leiden
Date: 2022-03-26
Location: Baja California
Date: 2018-05-30
Location: Missouri Botanical Garden, St Louis
Date: 2017-08-09
Location: Baja California
Date: 2021-02-04
Location: Osaka Prefectural Flower Garden, Osaka, Japan.
Photo by KENPEI
Photo by hlutzow
Location: Baja California
Date: 2021-07-31
Fort Brown. Windows on upper and lower surfaces near the tips
Photo by sedumzz
Location: Botanical Garden of the Technical University Delft
Date: 2019-04-15

Date: 2021-05-08
Photo by sedumzz
Location: Fairfax VA
Date: August 9
Location: Baja California
Date: 2021-11-11
Upper leaf surface, backlit
Location: Louisville
Date: 2020-03-14
Haworthia cymbiformis

Date: 2022-04-02
Location: Botanischer Garten München-Nymphenburg
Date: 2018-03-11
Photo by hlutzow
Location: Oceanside, California 
Date: 2019-12-06

Date: 2022-04-02

Date: 2017-11-27
An old photo of an etiolated plant
Location: The Huntington Library and gardens
Date: 2018-02-03
Haworthia Cymbiformis at The Huntington Library
Location: Baja California
Date: 2021-01-31
Location: Fairfax, VA | November, 2023
Location: Baja California
Date: 2021-01-31
Photo by sedumzz
Location: San Antonio Botanical Garden, San Antonio, Texas
Date: 2022-04-04

Date: 2021-06-16

Date: 2021-06-18

Photo Courtesy of Mountain Crest Gardens. Used with permission.
  • Uploaded by Joy
Location: National Botanical Garden (DC) | November 2022
Date: 2022-11-26
Location: 98108
in deep tray in Volunteer park conservitory Sea Wa
This plant is tagged in:
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  • Posted by Baja_Costero (Baja California - Zone 11b) on Sep 17, 2020 11:12 AM concerning plant:
    Windowed rosette succulent, usually prolifically clumping, from the Eastern Cape in South Africa. This plant is similar to H. cooperi, another Haworthia with windowed leaves, and occupies much of the same territory in habitat. The leaves are pale green but they may turn dramatic orange or yellow colors when stressed. Its habitat may be a summer rainfall zone, but this plant does well in our winter rainfall climate. The roots are quite shallow, so avoid deep pots. Provide strong light for the best, most compact form and strongest color.

    The former H. planifolia is now considered to be a form of cymbiformis. Natural hybrids are know to exist with H. angustifolia and H. cummingii. The former H. cuspidata is related to cymbiformis, and is treated by the CoL as a synonym of Star Window Plant (Haworthia cymbiformis var. cymbiformis), but it may in fact be a hybrid between cymbiformis and retusa. Some of the images on this page (and the page for var. cymbiformis) may be cuspidata. A number of other varieties have been described.
Plant Events from our members
hlutzow On December 13, 2020 Miscellaneous Event
Emergence of pups after extensive sun damage. I counted 15... maybe.
hlutzow On February 9, 2020 Obtained plant
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
cymbiformis by skopjecollection Sep 16, 2020 9:23 AM 7

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