When to Plant Butterhead Bibb in Zone 4a
Get the exact Zone 4a timeline for your Butterhead Bibb. See localized frost dates, indoor sowing windows, and optimal companions below.
Need deeper agronomic data, pest profiles, and optimal flavor pairings?
Explore Butterhead Bibb Data
Crop Dates : 4a
| Milestone | Date |
|---|---|
| Start Indoors | Apr 17th |
| Last Frost | May 15th |
| Transplant / Sow Outdoors | May 15th |
| Harvest Begins | Jul 9th |
| Harvest Ends | Sep 24th |
