naturalizedIridaceae

Crocosmia × crocosmiiflora

Garden Montbretia

Naturalized (non-native)non-native

Introduced and now reproducing on its own in the wild.

Crocosmia × crocosmiiflora is a garden hybrid of C. aurea and C. pottsii, first bred 1880 in France by Victor Lemoine. This hybrid is known to gardeners as "Montbretia." Cultivars within C. × crocosmiiflora include:

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Seasonality
33 flowering · 1 fruiting annotations · iNaturalist · fetched Jul 2026
JFMAMJJASONDpeak
flowering (peak August) fruiting (peak January)

This is an inference, not a schedule. The curve reflects when observers annotated flowering and fruiting — which tracks observer effort as well as plant behavior, and pools all elevations and islands into one signal. Hawaiʻi’s microclimates vary enormously; a species may fruit in January at sea level and June at elevation. Use this to know when to look, then look.

Gallery · 9 · iNaturalist
open-licensed photos · click any to view its source
Where documented · 23 ahupuaʻa
documented occurrences · iNaturalist + GBIF · iNaturalist 200 · GBIF 297 records
Keauhou · HawaiʻiiNat 106 · GBIF 162
Kalalau · KauaʻiiNat 19 · GBIF 31
Honopū · KauaʻiiNat 21 · GBIF 22
Keaʻau · HawaiʻiiNat 13 · GBIF 18
Waimea · KauaʻiiNat 8 · GBIF 19
Waiākea · HawaiʻiiNat 8 · GBIF 4
Honolulu · OʻahuiNat 3 · GBIF 5
Waikīkī · OʻahuiNat 2 · GBIF 5
ʻŌlaʻa · HawaiʻiiNat 2 · GBIF 5
Mākaha · OʻahuiNat 3 · GBIF 3
Makawao · MauiiNat 3 · GBIF 3
Honuaʻula · HawaiʻiiNat 2 · GBIF 3
Kapāpala · HawaiʻiiNat 2 · GBIF 3
Kaloko · HawaiʻiiNat 1 · GBIF 4
Kamananui · OʻahuiNat 2 · GBIF 2
ʻŌmaʻopio · MauiiNat 1 · GBIF 1
Pāpaʻikou · HawaiʻiiNat 1 · GBIF 1
Paukaʻa · HawaiʻiiNat 1 · GBIF 1