When to Plant Scallions in Massachusetts (2026 Guide)
Planting scallions in Massachusetts is an excellent way to utilize your garden space efficiently, especially considering their fast maturation period of just 60–70 days. Depending on your location within the state, you can start planting as early as late February or March, making them one of the first crops to emerge after the last frost. Gardeners in areas like Springfield, with a median last spring frost date of May 6, will find scallions particularly forgiving, as they thrive in cooler temperatures and can handle some frost.
In Massachusetts, the USDA hardiness zones vary, with most of the state categorized between Zone 5a and Zone 6a. This influences the optimal planting dates for scallions. For example, gardeners in Boston, located in Zone 6a, can expect to transplant their scallion seedlings outdoors by late April, just after the average last frost date of April 30. In contrast, those in Zone 5b should aim for early May for outdoor activities, taking care to consider the broader weather patterns that can affect these windows.
Scallions are remarkably versatile and can be direct sown every 3–4 weeks, enabling a continuous harvest from early June through the late fall. If you follow the recommended planting schedules based on your local frost dates, your scallions will thrive. Whether you live in Worcester, with a longer growing season, or in cooler regions like Fitchburg, planting scallions can enhance the productivity of your garden, providing a steady supply of fresh greens.
Planting Schedule by USDA Zone in Massachusetts
| Zone | Indoor start | Transplant out | Direct sow | Harvest |
|---|---|---|---|---|
| Zone 6a | Start February 15 – March 1, ~6–8 weeks before April 30 | Transplant outdoors April 15 – April 30, after last frost | Direct sow outdoors April 30 – May 15 | Harvest from June 15 – October 11 |
| Zone 5b | Start March 1 – March 15, ~6–8 weeks before May 6 | Transplant outdoors May 1 – May 6, after last frost | Direct sow outdoors May 6 – May 22 | Harvest from June 15 – October 3 |
| Zone 5a | Start March 15 – March 30, ~6–8 weeks before May 22 | Transplant outdoors May 15 – May 22, after last frost | Direct sow outdoors May 22 – June 5 | Harvest from July 1 – September 17 |
Scallions Planting Windows in Massachusetts
- Indoor start: For Massachusetts, start scallions indoors from February 15 to March 30, allowing them to mature before transplanting outside.
- Transplant outdoors: Transplant scallions outdoors between April 15 and May 22, depending on your specific USDA hardiness zone.
- Harvest: Harvest scallions from June 15 through October 3, ensuring you take care to watch for early fall frosts.
Common Mistakes Growing Scallions in Massachusetts
- One common mistake in Massachusetts is planting scallions too late in the season. Given the shorter frost-free period in Zone 5a, gardeners can miss the opportunity for a productive harvest if they aren't aware of their specific zone timings.
- In humid conditions typical of Massachusetts summers, overwatering scallions can lead to rot and other fungal issues. Always check the soil moisture before watering to ensure healthy plants.
- Many Massachusetts gardeners neglect to succession sow their scallions every 3–4 weeks. This leads to a bunching of harvested scallions at once rather than having a steady supply throughout the growing season.
- Coastal fog in Massachusetts can impact the growth of scallions, making it crucial to choose a planting site that receives ample sunlight. Without enough direct sunlight, the growth of your scallions might be stunted.
- Assuming that all scallions can survive heavy frost is risky. While some varieties are more resistant, the earlier sowing dates can lead to unexpected cold snaps damaging young seedlings if not protected.
Frequently Asked Questions
What if I'm in a cold pocket of Massachusetts?
If you're in a colder area, it's best to start your scallions indoors a bit earlier. Ensure to monitor local frost dates as they can vary significantly and affect your planting schedule.
Can I still plant scallions in May?
Yes, if you're in Zone 5b or 5a, you can still plant scallions in May, but be cautious. Plant them earlier in the month for the best chance to establish before the summer heat.
How can I extend my scallion harvest?
To extend your harvest, practice succession planting by sowing new seeds every few weeks. This method prevents a glut of scallions while ensuring a steady supply from spring through fall.
Are scallions damaged by frost?
Scallions can tolerate light frost, but exposure to severe frost can damage them. It’s advisable to protect them with row covers in the fall if temperatures drop significantly.
What is the best way to store harvested scallions?
Freshly harvested scallions can be stored in the refrigerator crisper drawer wrapped in a damp paper towel. Alternatively, place them upright in a jar with water, covering the bases, to extend their freshness.
Keep Learning
City guides in Massachusetts
Other crops in Massachusetts
Typical fall sowing window for Scallions in Massachusetts: July 27 – August 17.