Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Portsmouth can be read to figure out when you can plant strawberries.

Planting Calendar for Strawberries

Frost tolerance for strawberries:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant strawberries quite a bit earlier in the year because they do well in cold.

The earliest that you can plant strawberries in Portsmouth is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant strawberries and expect a good harvest is probably September. If you wait any later than that and your strawberries may not have a chance to really do well. You can get started a little bit earlier by starting your strawberries indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Portsmouth. You should expect an average low temperature of -5°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Portsmouth is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Portsmouth last frost occurs after April 15 so make sure that you are ready to cover your strawberries in the event of a late frost.

USDA Zone Info for Portsmouth

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Portsmouth

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