When to Plant Scallions in Connecticut (2026 Guide)
When it comes to growing scallions in Connecticut, timing is key. With frost dates varying across the state, understanding your local conditions can set you up for a successful harvest. The median last spring frost date varies from April 14 in Zone 6b to May 6 in Zone 5b, giving you a handy starting point for planting this versatile crop.
Scallions are one of the few crops you can grow without waiting for them to mature into bulbs, making them perfect for continuous harvesting throughout the growing season. They thrive in cool weather, allowing for planting as early as mid-April after the last frost, which in some areas, like Bridgeport, is as late as April 14.
Considering that the first fall frost date can come as early as October 5 in New Milford, gardeners need to plan their planting schedules carefully. Depending on the zone, you can expect to harvest scallions approximately 60 to 70 days after sowing, so get those seeds in the ground at the right time!
Planting Schedule by USDA Zone in Connecticut
| Zone | Indoor start | Transplant out | Direct sow | Harvest |
|---|---|---|---|---|
| Zone 6a | Start March 1 – March 15, ~6–8 weeks before April 26 | Transplant outdoors April 27 – May 15, after last frost | Direct sow from April 27 – August 15 | Harvest from June 26 – October 10, before first fall frost |
| Zone 6b | Start February 15 – March 1, ~6–8 weeks before April 14 | Transplant outdoors April 15 – May 1, after last frost | Direct sow from April 15 – August 1 | Harvest from June 14 – October 27, before first fall frost |
| Zone 5b | Start March 15 – March 25, ~6–8 weeks before May 6 | Transplant outdoors May 7 – May 15, after last frost | Direct sow from May 7 – August 1 | Harvest from July 5 – October 5, before first fall frost |
Scallions Planting Windows in Connecticut
- Indoor start: For most areas, start scallions indoors from March 1 to March 15.
- Transplant outdoors: Transplant scallions outdoors from April 15 to May 1 in Zone 6b.
- Harvest: Harvest scallions between June 14 and October 27, depending on your zone.
Common Mistakes Growing Scallions in Connecticut
- Overwatering scallions in Connecticut's humid climate can lead to rot. Ensure proper drainage and only water when necessary to keep the soil moist but not soggy.
- Many gardeners in Connecticut underestimate the impact of late spring snowfalls. Don’t rush to plant scallions too early, as they don’t tolerate frost damage as well as other crops.
- Ignoring soil quality is a common mistake. Connecticut's clay and alkaline soils can be challenging; amend your soil with compost to enhance drainage and nutrients for scallions.
- Direct sowing too late can lead to missed harvests due to early frosts. Check your local frost dates, particularly if you're in southern Connecticut, to avoid planting too close to October 5.
- Some growers think scallions can only be planted once. In Connecticut, succession planting every 3–4 weeks allows for a steady supply, but many don’t take advantage of this opportunity.
Frequently Asked Questions
What if I'm in a cold pocket of Connecticut?
In cooler areas, start your scallions indoors a bit earlier to compensate for the cold. Use the recommended indoor starting dates and ensure they get plenty of light to promote healthy growth.
Can I still plant scallions in May?
Yes, you can plant scallions in May, especially in warmer zones. Just be mindful that the later you plant, the smaller your harvest window might be before frost hits in October.
How can I extend my scallion harvest into fall?
To extend your harvest, cover scallions with row covers if temperatures are expected to drop below 25°F. This can help protect them from light frosts and prolong your harvesting period.
Can I grow scallions in containers?
Absolutely! Scallions grow well in containers, making them perfect for limited spaces. Use a pot that is at least 6 inches deep and ensure it has good drainage for optimal growth.
What should I do if my scallions get frost damage?
If your scallions experience frost damage, they can still be eaten. However, cook them instead of using them raw as the texture is softer. Harvest quickly to maximize your use before further cold weather sets in.
Keep Learning
City guides in Connecticut
Other crops in Connecticut
Typical fall sowing window for Scallions in Connecticut: August 6 – August 27.