Cape Iris (Dietes iridioides)

Common names:
Give a thumbs up Cape Iris
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Give a thumbs up Dietes
Give a thumbs up Fortnight Lily
Give a thumbs up Morea Lily
Give a thumbs up African iris

Botanical names:
Dietes iridioidesAccepted
Moraea iridioidesSynonym

General Plant Information (Edit)
Plant Habit: Grass/Grass-like
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Minimum cold hardiness: Zone 8a -12.2 °C (10 °F) to -9.4 °C (15 °F)
Plant Height: 18 inches - 24 inches
Plant Spread: 12 inches - 15 inches
Leaves: Evergreen
Flowers: Showy
Flower Color: White
Multi-Color
Flower Time: Spring
Late spring or early summer
Summer
Late summer or early fall
Uses: Groundcover
Wildlife Attractant: Bees
Butterflies
Resistances: Deer Resistant
Toxicity: Roots are poisonous
Propagation: Other methods: Division
Containers: Suitable in 3 gallon or larger

Image

Comments:
Posted by OldGardener (So Cal - Zone 10b) on Jul 16, 2014 9:27 AM

Many plants sold as Dietes iridioides are actually Dietes grandiflora. D. grandiflora has dark, brownish markings on the inner tepals but D. iridioides does not.



A very special "thank you" to Evan for posting the photos!

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Posted by OldGardener (So Cal - Zone 10b) on Jul 16, 2014 1:04 PM

Do NOT remove the stem that bloomed as it will bloom next year. Each stem blooms for multiple years.

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Posted by sunkissed (Winter Springs, FL - Zone 9b) on Apr 27, 2016 2:30 PM

This plant grows very well in Central Florida, so well that it is used in landscaping often. It flowers off and on for most of the year, especially spring through fall. Drought tolerant once established. Great for a sunny location.

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Posted by OldGardener (So Cal - Zone 10b) on Jun 26, 2014 8:55 PM

Older clumps can get considerably larger than listed. I just divided a 10 year old clump this evening that was a little more than 3' wide.

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Posted by longk (Oxford UK - Zone 8a) on Mar 16, 2017 5:10 PM

This did not prove hardy enough to survive here in the UK unlike my D.bicolor despite being the larger and stronger looking plant.

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Plant Events from our members
flaflwrgrl On July 4, 2014 Potted up
Added alfalfa to feed it.
MrsBinWY On May 7, 2017 Seeds germinated
2
MrsBinWY On April 2, 2017 Seeds sown
milk jug, room temp, all 20 seeds from ishareflowers
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
Identifying an Iris variant by LTCTGC Sep 11, 2016 5:37 AM 6
Help identifying flowering plant by Australis Sep 6, 2016 4:58 PM 9
Bloom Season 2016 - Part 2 by Lestv Jan 1, 2017 10:08 PM 1,322
Iris; for ID by Xeramtheum Jul 18, 2015 4:20 PM 27
photo of different cultivar? by OldGardener Jul 18, 2014 11:04 AM 24
Adding a common name by OldGardener Jun 27, 2014 6:57 AM 10
unknown iris by jmorth May 23, 2014 6:43 PM 10
Katrina African Iris by jeanneh Mar 31, 2016 8:55 PM 36

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