Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Portsmouth you can figure out when it's a good idea to plant baby blue eyes by reviewing the USDA zone info.

Planting Calendar for Baby Blue Eyes

Frost tolerance for baby blue eyes:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Baby Blue Eyes can survive in moderate cold which means that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant baby blue eyes 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 baby blue eyes and expect a good harvest is probably September. You probably don't want to wait any later than that or else your baby blue eyes may not have a chance to grow to maturity. You can get started a little bit earlier by starting your baby blue eyes indoors.

Last Frost Date

The average date of last frost is April 15 in Portsmouth. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Portsmouth is not always accurate the actual date of last frost changes from year to year. Half of the time in Portsmouth there is a last frost after April 15 so make sure that you are ready to protect your baby blue eyes in the event of a surprise 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.