Large White Petunia
Petunia axillaris
- Native to:
- Argentina, Bolivia, Brazil, Paraguay, Uruguay
HitroMilanese
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Solanaceae
- Genus:
- Petunia
- Species:
- Petunia axillaris
- USDA Symbol:
- PEAX
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul,aug,sep,oct
- Bloom Colors:
- white
Host Plant for Caterpillars
Virginia Tiger Moth (Spilosoma virginica), Yellow-striped armyworm (Spodoptera ornithogalli)
Garden & Ecology Notes
- Wildlife Value:
- butterflies, moths, hummingbirds
- Fragrant:
- Yes
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to South American grasslands and open areas
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 7–21 days
- Notes:
- Seeds require light for germination; surface sow and do not cover. Optimal germination temperature 70-75°F.
The above propagation data sourced from Claude AI