The Main Plant entry for Crocosmias (Crocosmia)

This database entry exists to show plant data and photos that apply generically to all Crocosmias.

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Flowers: Showy
Underground structures: Corm
Wildlife Attractant: Bees
Propagation: Other methods: Division


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Posted by Marilyn (Northern KY - Zone 6a) on May 22, 2013 10:18 PM

"They can be evergreen or deciduous perennials that grow from basal underground corms. The basal, alternate leaves are cauline and distichous. The leaves are lanceolate. The blades are parallel-veined. The margin is entire. The corms are unusual in forming vertical chains with the youngest at the top and oldest and largest buried most deeply in the soil. The roots of the lowermost corm in a chain are contractile roots and drag the corm deeper into the ground where conditions allow. The chains of corms are fragile and easily separated, a quality that has enabled some species to become invasive and difficult to control in the garden.

They have colourful inflorescences of 4 to 20 vivid red and orange subopposite flowers on a divaricately (horizontally) branched stem. The terminal inflorescence can have the form of a cyme or a raceme. These flower from early summer well into fall. The flowers are sessile on a flexuose arched spike. The fertile flowers are hermaphroditic. All stamens have an equal length. The style branches are apically forked. They are pollinated by insects, birds (hummingbirds) or by the wind. The dehiscent capsules are shorter than they are wide.

Crocosmia are winter-hardy in temperate regions. They can be propagated through division, removing offsets from the corm in spring."

Taken from wikipedia's page at:

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Posted by kamikid (Thomasville, GA Z 8) on Jul 30, 2013 7:17 PM

This plant is very invasive in my yard. I have a large area to plant in but have removed many of these. Next year I will have many to share if any one will want them. I live in zone 8b in Thomasville Ga. Elaine

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Posted by Buzzbea424 ( Little Rock, Arkansas; - Zone 7b) on Jun 22, 2017 9:46 AM

I've planted crocosmia several times, but it only bloomed the first year. Only one plant is left. This year new corm did not grow. I also bought young plants. They are still alive, but...

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Plant Events from our members
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in amaryllis bed HW;
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Seedfork On February 2, 2015 Obtained plant
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lovesblooms On May 2, 2016 Obtained plant
Orange, from trade
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Discussion Threads about this plant
Thread Title Last Reply Replies
Banner for August 7, 2018 by Marilyn by Marilyn Aug 10, 2018 5:13 PM 13
Blooming in August.... by wcgypsy Aug 19, 2018 11:14 AM 14
crocosmia by afytexas Jul 20, 2018 7:44 PM 4
June 2018 Blooms by GenXNEGeorgia Jul 3, 2018 5:57 PM 586
Current bulb action by purpleinopp Aug 17, 2018 9:23 PM 90
girlfriend's plant #1 by ShadyGreenThumb May 7, 2018 8:12 PM 3
Grass like bulb plant by okgardens Apr 14, 2018 7:11 AM 8
Blossom time by StephGary Apr 5, 2018 9:33 AM 2
What did you NOT do in your garden today, indoors or out? (part 2) by Weedwhacker Aug 19, 2018 10:52 AM 419
PNW Plant Exchange - 2018 by Bonehead Apr 26, 2018 10:33 AM 68

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