One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when it's a good idea to plant primroses in Gettysburg by checking out the USDA zone info.

Planting Calendar for Primroses

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

Primroses do well in quite a bit of cold which means that you can plant them much earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant primroses in Gettysburg 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 primroses and expect a good harvest is probably September. Any later than that and your primroses may not have a chance to really do well. You can get started a little bit earlier by starting your primroses indoors.

Last Frost Date

The average date of last frost is April 15 in Gettysburg. 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 Gettysburg is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Gettysburg last frost occurs after April 15 be ready to protect your primroses in the event of a surprise late frost.

USDA Zone Info for Gettysburg

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 Gettysburg

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