White Grano PRR
Crisp, luminous bulbs with a clean, white sheen—White Grano PRR brings a bright, sweet-on-the-palate character that turns wonderfully mellow in the garden’s first cool nights. Expect a firm, medium-to-large globe with a tight, dry outer skin and a satisfying snap when you break it open, making it a favorite for fresh slicing, roasting, and slow-simmered sauces. Grow for dependable, 95-day performance and a harvest that stores with confidence, ready whenever your table calls for gentle allium sweetness.
Crop Dates
| Milestone | Date |
|---|---|
| Start Indoors | Mar 30th |
| Last Frost | May 25th |
| Transplant / Sow Outdoors | May 18th |
| Harvest Begins | Aug 21st |
| Harvest Ends | Aug 29th |
Crop Details
| Trait | Value |
|---|---|
| Days to Maturity | 95 |
| Sun Requirements | Full Sun |
| Growth Habit | Bulbing |
| Support Needed | None |
| Planting Depth | Normal |
| Germination Temp (°F) | 75 |
| Min Soil Temp (°F) | 45 |
| Min Night Temp (°F) | 35 |
| Harden Off (days) | 7 |
Recommended Companions
Frequently Asked Questions
What is a common pest or disease for Allium cepa (white onions), and how can I fix it at home?
How do I tell when Allium cepa is ready to harvest (for ~95 days)?
Crisp, luminous bulbs with a clean, white sheen—White Grano PRR brings a bright, sweet-on-the-palate character that turns wonderfully mellow in the garden’s first cool nights. Expect a firm, medium-to-large globe with a tight, dry outer skin and a satisfying snap when you break it open, making it a favorite for fresh slicing, roasting, and slow-simmered sauces. Grow for dependable, 95-day performance and a harvest that stores with confidence, ready whenever your table calls for gentle allium sweetness.
Sowing Tips
Transplant Conditions
Wait until soil reaches 45°F and nights stay above 35°F before moving outdoors. Harden off for 7 days first.
Expert Note
For best bulbs, transplant when nights are reliably warm enough and keep the bed evenly moist until bulbing begins.