Waltham 29 · Broccoli
Planting Schedule
Add Waltham 29 to your garden to build a schedule and get reminders.
| Milestone | Date |
|---|---|
| Start Indoors | Apr 17th |
| Last Frost | May 15th |
| Transplant / Direct Sow Outdoors | May 15th |
| Harvest Begins | Jul 29th |
| Harvest Ends | Sep 24th |
Crop Details
Transplant Conditions:
Wait until soil reaches 40°F
and nights stay above 32°F
before moving outdoors.
Harden off for 6 days first.
| Trait | Value |
|---|---|
| Days to Maturity | 75 |
| Sun Requirements | Full Sun |
| Growth Habit | Rosette |
| Support Needed | None |
| Planting Depth | Normal |
| Germination Temp (°F) | 45 |
| Min Soil Temp (°F) | 40 |
| Min Night Temp (°F) | 32 |
| Harden Off (days) | 6 |
Expert Note: For best Waltham 29 head size, transplant into cool, moist soil and keep plants evenly watered so they don’t bolt in heat.