When to Plant Window Box Roma in Zone 4b
Get the exact Zone 4b timeline for your Window Box Roma. See localized frost dates, indoor sowing windows, and optimal companions below.
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Explore Window Box Roma Data
Crop Dates : 4b
| Milestone | Date |
|---|---|
| Start Indoors | Mar 25th |
| Last Frost | May 13th |
| Transplant / Sow Outdoors | Jul 8th |
| Harvest Begins | Sep 16th |
| Harvest Ends | Sep 27th |
