Fraxinus uhdei
Shamel Ash
Introduced and now reproducing on its own in the wild.
Fraxinus uhdei, commonly known as tropical ash or Shamel ash, is a species of tree native to Mexico and Central America. It is commonly planted as a street tree in Mexico and the southwestern United States. It has also been planted and spread from cultivation in Hawaii, where it is now considered an invasive species.
Read more on Wikipedia →Only 0 phenology-annotated observations exist for this species in Hawaiʻi — too few to describe a season. No window is inferred.
Controlling Fraxinus uhdei
Best reported: IPA-Incision Point Application with 100% Polaris (imazapyr) — one report from CTAHR/OANRP.
4.0IPA-Incision Point Application100% Polaris (imazapyr)ImazapyrG2
- 4more than moderate satisfaction · CTAHR/OANRP · trial · 2018-04-23
Trial complete, 31 months. 4 cuts/tree, 0.5ml/cut. At 7 months, 5 of 5 trees totally defoliated. At 31 months, 1 of 5 dead, others still with green cambium despite total defoliation, and largest tree (circum = 109cm) had some resprouts on trunk. Suggest 1 cut/15cm.
4.0girdle20% G4, 80% BiodieselTriclopyrG4
- 4more than moderate satisfaction · OANRP · observed
girdle with chainsaw or hatchet
1.0IPA-Incision Point Application100% Milestone (aminopyralid)AminopyralidG4
- 1unsatisfactory results · CTAHR/OANRP · trial · 2018-04-23
Trial complete, 31 months. 4 cuts/tree, 0.5ml/cut. At 7 months, some defoliation, but all plants recovered by 31 months. Not recommended.
1.0IPA-Incision Point Application100% Ranger Pro (glyphosate)GlyphosateG9
- 1unsatisfactory results · CTAHR/OANRP · trial · 2018-04-23
Trial complete, 31 months. 4 cuts/tree, 0.5ml/cut. At 7 months 3 of 5 trees had major defoliation (circum <72cm), but all plants recovering by 31 months. Not recommended.
1.0IPA-Incision Point Application100% Garlon 4 (triclopyr)TriclopyrG4
- 1unsatisfactory results · CTAHR/OANRP · trial · 2018-04-23
Trial complete, 31 months. 4 cuts/tree, 0.5ml/cut. At 21 months, 1 of 5 trees dead (circum = 68cm). At 31 months, some trees recovering, and others in poor health. Inconsistent. Not recommended.
Ratings are the reporting organisation’s own, on a 5-point scale. Always follow the product label — the label is the law. See these 5 rows in the full table
