Before planting it is a good idea to find your USDA Zone info to estimate 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.

One way of figuring out when it's the best time to plant primroses is to use the USDA zone info for Centerton.

Planting Calendar for Primroses

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

Since primroses are very cold tolerant you can plant them a lot earlier in the year than other frost tender plants.

The earliest that you can plant primroses in Centerton 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 really do well. You can get started a few weeks earlier by starting your primroses indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Centerton. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Centerton is not always accurate the actual date of last frost changes from year to year. Half of the time in Centerton it frosts late in the year after April 15 so make sure that you are ready to cover your primroses if you have a surprise late frost.

USDA Zone Info for Centerton

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 Centerton

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