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Ageratina riparia
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naturalizedAsteraceae

Ageratina riparia

mist flower

Naturalized (non-native)non-native

Introduced and now reproducing on its own in the wild.

Ageratina riparia, commonly known as mistflower or creeping croftonweed, is a species of flowering plant in the aster family, native to Mexico, Cuba and Jamaica.

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summary via Wikipedia · CC BY-SA
Seasonality

Only 11 phenology-annotated observations exist for this species in Hawaiʻi — too few to describe a season. No window is inferred.

What works

Controlling Ageratina riparia

From Weed Control by Species3 rows →

Best reported: clip and drip with 20% G4, 80% Biodiesel — one report from OANRP.

  1. 5.0clip and drip20% G4, 80% BiodieselTriclopyrG41 report · 1 observed
    OANRP
    • 5successful. Recommended method · OANRP · observed · 2015-03-04
      Habitat: mesic
  2. 5.0basal-bark20% G4, 80% BiodieselTriclopyrG41 report · 1 observed
    OANRP
    • 5successful. Recommended method · OANRP · observed · 2015-03-04
  3. 5.0foliar1% Round-up, 99% waterGlyphosateG91 report · 1 observed
    OANRP
    • 5successful. Recommended method · OANRP · observed · 2015-03-04
      Habitat: mesic

Ratings are the reporting organisation’s own, on a 5-point scale. Always follow the product label — the label is the law. See these 3 rows in the full table

Gallery · 12 · iNaturalist
Ageratina ripariaCC-BY-NCAgeratina ripariaCC-BY-SAAgeratina ripariaCC-BY-NCAgeratina ripariaCC-BY-SAAgeratina ripariaCC-BY-NC-SAAgeratina ripariaCC-BY-NCAgeratina ripariaCC-BY-NCAgeratina ripariaCC-BY-NC-SAAgeratina ripariaCC-BYAgeratina ripariaCC-BY-NCAgeratina ripariaCC-BYAgeratina ripariaCC0
open-licensed photos · click any to view its source
Where documented · 72 ahupuaʻa
documented occurrences · iNaturalist + GBIF · iNaturalist 200 · GBIF 250 records
Keauhou · HawaiʻiiNat 61 · GBIF 66 ✓
Waikīkī · OʻahuiNat 32 · GBIF 31 ✓
Waimea · KauaʻiiNat 13 · GBIF 21 ✓
Hāʻena · KauaʻiiNat 10 · GBIF 17 ✓
Honolulu · OʻahuiNat 12 · GBIF 11 ✓
Kaloko · HawaiʻiiNat 6 · GBIF 5 ✓
Waiākea · HawaiʻiiNat 6 · GBIF 5 ✓
Maunalua · OʻahuiNat 5 · GBIF 3 ✓
Kahuku · HawaiʻiiNat 4 · GBIF 4 ✓
Puʻuwaʻawaʻa · HawaiʻiiNat 3 · GBIF 4 ✓
Waiʻanae · OʻahuiNat 2 · GBIF 5 ✓
Kāneʻohe · OʻahuiNat 3 · GBIF 4 ✓
Kailua · OʻahuiNat 4 · GBIF 2 ✓
Honuaʻula · HawaiʻiiNat 3 · GBIF 2 ✓
Hanakāpīʻai · KauaʻiiNat 2 · GBIF 2 ✓
Puʻukawaiwai, Panoluʻukia · HawaiʻiiNat 1 · GBIF 3 ✓
ʻĀpua · HawaiʻiiNat 2 · GBIF 2 ✓
Kamananui · OʻahuiNat 1 · GBIF 3 ✓
Mākua · OʻahuGBIF 4
Kahuwai · HawaiʻiGBIF 4
Kikahi · OʻahuiNat 2 · GBIF 1 ✓
Kaʻena · OʻahuiNat 1 · GBIF 2 ✓
Kapāpala · HawaiʻiiNat 2 · GBIF 1 ✓
Waipiʻo · HawaiʻiiNat 1 · GBIF 2 ✓
Manukā · HawaiʻiiNat 1 · GBIF 2 ✓
Kalulu · LānaʻiiNat 1 · GBIF 2 ✓
Wailua · KauaʻiiNat 2 · GBIF 1 ✓
Kaohai · LānaʻiiNat 1 · GBIF 2 ✓
ʻAiea · OʻahuiNat 1 · GBIF 2 ✓
Kahakuloa · MauiiNat 1 · GBIF 1 ✓
Kahanahāiki · OʻahuiNat 1 · GBIF 1 ✓
Keālia · OʻahuiNat 1 · GBIF 1 ✓
Kalialinui · MauiiNat 1 · GBIF 1 ✓
Wailuku · MauiiNat 1 · GBIF 1 ✓
Kaunakakai · MolokaʻiiNat 1 · GBIF 1 ✓
Paumalū · OʻahuiNat 1 · GBIF 1 ✓
Honopū · KauaʻiiNat 1 · GBIF 1 ✓
Piʻihonua · HawaiʻiGBIF 2
Kaluanui · OʻahuGBIF 2
Wainiha · KauaʻiGBIF 2
Waimano · OʻahuGBIF 2
Ukumehame · MauiiNat 1
Kaʻohe Mauka · HawaiʻiiNat 1
Kalaupapa · MolokaʻiiNat 1
Wailuanui · MauiiNat 1
Kaunolū · LānaʻiiNat 1
Humuʻula · HawaiʻiiNat 1
Lāwai · KauaʻiiNat 1
Hōlualoa 1-2 · HawaiʻiiNat 1
Puʻuanahulu · HawaiʻiiNat 1
ʻAlaeloa · MauiiNat 1
Mākaha · OʻahuGBIF 1
Kahanui · MolokaʻiGBIF 1
Lumahaʻi · KauaʻiGBIF 1
Mokulēʻia 2 · OʻahuGBIF 1
Hanapēpē · KauaʻiGBIF 1
Hakipuʻu · OʻahuGBIF 1
Waiawa · OʻahuGBIF 1
Waiheʻe · MauiGBIF 1
Keaʻau · OʻahuGBIF 1
Kahikinui · MauiGBIF 1
Kawaipapa · MauiGBIF 1
Kaʻūpūlehu · HawaiʻiGBIF 1
Kawaihāpai · OʻahuGBIF 1
Kalopā · HawaiʻiGBIF 1
Paomai · LānaʻiGBIF 1
Kaʻaʻawa · OʻahuGBIF 1
Moanalua · OʻahuGBIF 1
Kealakekua, Kīloa 1 · HawaiʻiGBIF 1
Waipiʻo · OʻahuGBIF 1
Mahana · LānaʻiGBIF 1
Kalihi · OʻahuGBIF 1