Family: Iridaceae
High Risk Traits:
- Able to grow in tropical and subtropical climates
- Naturalized or naturalizing in Australia and New Zealand
- Regarded as a persistent garden and landscaping weed, and a potential environmental weed in Australia
- Other Dietes species are weedy and invasive
- May be unpalatable to deer and other browsing animals
- Tolerates many soil types
- Reproduces by seeds and vegetatively by rhizomes
- Reaches maturity in 2-3 years
- Seed dispersed by water, humans, contaminated soil and garden refuse dumping
- Seeds may persist for one to four years before germination
- Able to resprout after cutting
Low Risk Traits:
- No reports of invasiveness or naturalization in the Hawaiian Islands, despite widespread cultivation as an ornamental and landscaping plant
- Unarmed (no spines, thorns, or burrs)
- Non-toxic
- Fire-resistant (may reduce fire risk in fire prone areas)