Red Cathedral · Amaranth
Planting Schedule
Add Red Cathedral to your garden to build a schedule and get reminders.
| Milestone | Date |
|---|---|
| Start Indoors | Apr 13th |
| Last Frost | May 25th |
| Transplant / Direct Sow Outdoors | May 25th |
| Harvest Begins | Jul 9th |
| Harvest Ends | Aug 29th |
Crop Details
Transplant Conditions:
Wait until soil reaches 60°F
and nights stay above 50°F
before moving outdoors.
Harden off for 7 days first.
| Trait | Value |
|---|---|
| Days to Maturity | 45 |
| Sun Requirements | Full Sun |
| Growth Habit | Upright |
| Support Needed | Stake |
| Planting Depth | Normal |
| Germination Temp (°F) | 75 |
| Min Soil Temp (°F) | 60 |
| Min Night Temp (°F) | 50 |
| Harden Off (days) | 7 |
Expert Note: Start Red Cathedral as a cool-season leafy brassica and transplant as soon as nighttime lows are reliably above freezing to keep the plants compact and bolt-resistant.