naturalizedMeliaceae

Toona ciliata

Australian Red Cedar

Naturalized (non-native)non-native

Introduced and now reproducing on its own in the wild.

No written account yet for this species.

Seasonality

Only 8 phenology-annotated observations exist for this species in Hawaiʻi — too few to describe a season. No window is inferred.

What works

Controlling Toona ciliata

From Weed Control by Species8 rows →

Best reported: IPA-Incision Point Application with 100% Polaris — one report from CTAHR/OANRP.

5.0IPA-Incision Point Application100% PolarisImazapyrG21 report · 1 trial
CTAHR/OANRP
- 5successful. Recommended method · CTAHR/OANRP · trial · 2018-04-24
  Trial complete, 30 months. 4 cuts/tree, 0.5ml/cut. At 6 months, major defoliation on all trees. At 11 months, 3 of 4 dead. At 30 months, 4 of 4 dead. Suggest 1 cut/10-15cm.
  Size: trunk circumference 43-73cmHabitat: mesic
5.0IPA-Incision Point Application100% Mat 28AminocyclopyrachlorG41 report · 1 trial
CTAHR/OANRP
- 5successful. Recommended method · CTAHR/OANRP · trial · 2018-04-24
  Trial complete, 30 months. 4 cuts/tree, 0.5ml/cut. At 3 months, 4 of 4 trees fully defoliated. At 6 months, 1 of 4 dead, 1 with resprouts. At 11 months, 4 of 4 dead. Very effective. Suggest 1 cut/15cm.
  Size: trunk circumference 43-73cmHabitat: mesic
5.0cut-stump20% G4, 80% Crop oilTriclopyrG41 report
KMWP
- 5successful. Recommended method · KMWP
5.0girdle20% G4, 80% BiodieselTriclopyrG41 report · 1 observed
OANRP
- 5successful. Recommended method · OANRP · observed
  Size: large treesHabitat: mesic
5.0basal-bark20% G4, 80% BiodieselTriclopyrG41 report · 1 observed
OANRP
- 5successful. Recommended method · OANRP · observed
  Size: trees under 3"Habitat: mesic
4.0IPA-Incision Point Application100% Garlon 4 UltraTriclopyrG41 report · 1 trial
CTAHR/OANRP
- 4more than moderate satisfaction · CTAHR/OANRP · trial · 2018-04-24
  Trial complete, 30 months. 4 cuts/tree, 0.5ml/cut. At 3 months, major defoliation on all trees. At 6 months, 1 of 4 trees dead. At 11 months, 2 of 4 dead. At 30 months, 3 of 4 dead, and 1 fully defoliated. Suggest 1 cut/10-15cm.
  Size: trunk circumference 43-73cmHabitat: mesic
2.0IPA-Incision Point Application100% MilestoneAminopyralidG41 report · 1 trial
CTAHR/OANRP
- 2minimal satisfaction · CTAHR/OANRP · trial · 2018-04-24
  Trial complete, 30 months. 4 cuts/tree, 0.5ml/cut. At 3 months, all trees fully defoliated. At 6 months 1 of 4 dead. At 30 months, 1 of 4 dead and other 3 recovering. Higher dose may be more effective.
  Size: trunk circumference 43-73cmHabitat: mesic
1.0IPA-Incision Point Application100% Ranger ProGlyphosateG91 report · 1 trial
CTAHR/OANRP
- 1unsatisfactory results · CTAHR/OANRP · trial · 2018-04-24
  Trial complete, 30 months. 4 cuts/tree, 0.5ml/cut. At 6 months, major defoliation on all trees. At 11 months, larger trees (circum >55cm) recovering and smaller trees declining. At 30 months, all trees declining. Not recommended.
  Size: trunk circumference 43-73cmHabitat: 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 8 rows in the full table

Where documented · 36 ahupuaʻa

documented occurrences · iNaturalist + GBIF · iNaturalist 157 · GBIF 114 records

Honolulu · OʻahuiNat 65 · GBIF 45 ✓

Waikīkī · OʻahuiNat 18 · GBIF 15 ✓

Waiʻanae · OʻahuiNat 9 · GBIF 6 ✓

ʻAiea · OʻahuiNat 6 · GBIF 6 ✓

Makawao · MauiiNat 8 · GBIF 3 ✓

Kalihiwai · KauaʻiiNat 8 · GBIF 2 ✓

Kaʻena · OʻahuiNat 5 · GBIF 4 ✓

Mākaha · OʻahuiNat 5 · GBIF 3 ✓

Kamananui · OʻahuiNat 4 · GBIF 3 ✓

Kailua · OʻahuiNat 4 · GBIF 2 ✓