Every PlantAlmanac page is built from established, authoritative references. These are the main sources we rely on.
Care and horticulture
- Royal Horticultural Society (RHS), plant care and cultivation guidance
- Established horticultural and botanical literature for propagation, pruning and common problems
Names, families and native ranges
- Plants of the World Online (POWO), Royal Botanic Gardens, Kew, for accepted names and native distribution
Toxicity and pet safety
- ASPCA toxic and non-toxic plant database, for safety around cats, dogs and horses
Photographs
- Wikimedia Commons, GBIF and iNaturalist, openly licensed images used under their stated licences
Each photograph is credited on the page where it appears and is checked to confirm it shows the correct species. Where sources differ, we follow the most authoritative and note any meaningful disagreement.