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:
- jun,jul,aug,sep
- Bloom Colors:
- white
Host Plant for Caterpillars
Virginia Tiger Moth (Spilosoma virginica), Yellow-striped armyworm (Spodoptera ornithogalli)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- 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
- Germination Time:
- 7–14 days
- Notes:
- Surface sow seeds on moist medium; light required for germination. Keep at 20-24°C.