Plot & PetalFlax lily
Dianella
Safety
People: No hazard foundPets: Not on the ASPCA lists as we read them
Neither ASPCA nor NC State lists a pet-safety verdict for this plant. Not listed means no verdict was found, not that it's safe. Keep pets from eating it and call a vet or the ASPCA Poison Control line if a pet seems unwell.
PlotAndPetal cannot tell you whether a plant you found can be eaten. Only someone who can see the plant can identify it.
Poison control
If someone has collapsed, cannot be woken, is having a seizure or has trouble breathing, call 911 now. For any other possible poisoning, call Poison Help: 1-800-222-1222.
Emergency number source: U.S. federal law (47 U.S.C. § 251(e)(3)), read 2026-10-07.
Quick facts
- Mature size
Dianella caerulea only: perennial herb to 1 m (Maclean Landcare).
Full field manual in the app
Step-by-step care
The numbered steps for caring for this plant, where we have them.
Why each step works
The reasons behind the steps, where we have them.
Problems and fixes
What can go wrong with this plant and what to do about it, where we have them.
Soil, feeding and pruning
How to prepare the soil, when and what to feed, and how and when to prune where that applies.
Sources
- Maclean Landcare Group Inc, Australian Native Plants Fact Sheet: Blue Flax Lily (Dianella caerulea)
- Calyx Horticultural Services, Dianella (Native Australian Plant Pages)
- Kew WCVP (World Checklist of Vascular Plants) bulk files wcvp_names.csv and wcvp_distribution.csv, file dated 2026-06-04, read on the Mac 2026-10-11 (the data POWO shows; POWO pages block scripted reading)