Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Apex you can figure out when you can 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 can survive in cold weather which means that you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant primroses in Apex 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. Starting your primroses indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Apex is an average the actual date of last frost will vary from year to year. Since half of the time in Apex it frosts late in the year after April 15 be ready to protect your primroses if you have a surprise late frost.

USDA Zone Info for Apex

Here is the info for USDA Zone 7b.

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

Plants to Grow in Apex

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