Brazilian Begonia Begonia hirtella
Brazilian Begonia is an introduced annual herb, found in Hawaii, the lower 48 states, and Puerto Rico.
More about this plant
Begonia hirtella, the bearded begonia, is a species of flowering plant in the family Begoniaceae. It is native to Jamaica, Venezuela, Colombia, Peru, Bolivia, and southern Brazil, and has been introduced to many tropical locales around the world. People apply its juices to their skin to treat itchiness from insect bites. Wikipedia →
Brazilian Begonia is flagged invasive in the U.S. These natives fill a similar niche — same growth habit, bloom season, height, and region — so you keep the look and feed local wildlife instead of spreading a problem.
Growing & care
USDA PLANTS · TRY- Hardiness
- ≥ zone 11 derived from its U.S. range
- Lifespan
- Annual
Wildlife & pollinators
How pollinator value is scored →❧ Caterpillar hosts Documented caterpillar host
Recorded feeding on Begonia in North America, including:
Related plants
More Begonia →
How we know this (1) Methods & honest limits
We take the plant’s U.S. county range and look up each county’s long-term climate, then summarise: native rainfall = the median annual rainfall across its counties; heat tolerance = the warm end (90th percentile) of average temperature across its range (mirroring how our cold-hardiness floor uses an extreme). Counties + medians blunt the roadside/observer bias that makes point-level climate unreliable. Needs at least five placeable counties.
Honest limits: A realized, sampling-biased niche (where it has been recorded, not its physiological optimum), and county climate is coarse — large Western counties span deserts and mountains. Derived guide, never a measured fact.
Sources for this entry (14) Open & cited
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PlantKey’s data is open under CC BY-SA 4.0 — free to reuse and adapt, with attribution and the same licence. Photos keep their own per-image licence + credit (see Sources above).
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