One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when you can plant primroses in Granville by reviewing 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.

Since primroses do well in cold you can plant them much earlier in the year than other plants that might not handle the cold.

The earliest that you can plant primroses in Granville 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. You probably don't want to wait any later than that or else your primroses may not have a chance to really do well. You can get started a few weeks earlier by starting your primroses indoors.

Last Frost Date

The average date of last frost is April 15 in Granville. In the coldest months of winter you should expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Granville 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 Granville there is a last frost after April 15 so just be sure to be ready to protect your primroses in the event of a surprise late frost.

USDA Zone Info for Granville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Granville

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