When to Plant Scallions in Berlin, NH

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Berlin you can estimate when to plant scallions by checking out the USDA zone info.


Planting Calendar for Scallions

Frost tolerance for scallions: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

You can plant scallions a bit earlier in the year because they do ok in moderate cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant scallions
Possibly ok, but a risky time to plant scallions
Probably not a good time to plant scallions

The earliest that you can plant scallions in Berlin is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant scallions and expect a good harvest is probably August. If you wait any later than that and your scallions may not have a chance to grow to maturity. If you are starting your scallions indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Berlin. In the coldest months of winter you should expect an average low temperature of -25°F.

Just be sure to remember that USDA zone info for Berlin is an average and the actual date of last frost will vary from year to year. Since half of the time in Berlin you get a frost after May 15 be ready to protect your scallions if you have a surprise late frost.

USDA Zone Info for Berlin

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Berlin

You may be interested in your other planting guides for Berlin.