The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Rexburg can be looked at to determine when you can plant primroses.

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 cold weather which tells us that you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant primroses in Rexburg 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 fully mature. 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 Rexburg. In the coldest months of winter you can expect an average low temperature of -20°F.

Remember that USDA zone info for Rexburg is not always accurate and the actual date of last frost is different every year. Since half of the time in Rexburg it frosts late in the year after April 15 be ready to protect your primroses in the event of a late frost.

USDA Zone Info for Rexburg

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Rexburg

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