The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Shamokin you can estimate when it's possible to plant primroses by using 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 are very cold tolerant which tells us that you can start planting them much earlier than more sensitive plants.

The earliest that you can plant primroses in Shamokin 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. If you wait any later than that and your primroses may not have a chance to grow to maturity. 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 Shamokin. In the coldest months of winter you should expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for Shamokin is an average and the actual date of last frost will vary from year to year. Half of the time in Shamokin last frost occurs after April 15 so make sure that you are prepared to cover your primroses in the event of a surprise late frost.

USDA Zone Info for Shamokin

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 Shamokin

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