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

A way of getting a good idea when it's possible to plant primula is to refer to the USDA zone info for Coppell.

Planting Calendar for Primula

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

Primula are very cold tolerant which means that you can plant them a quite a bit earlier than more sensitive plants.

The earliest that you can plant primula in Coppell 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 primula and expect a good harvest is probably September. If you wait any later than that and your primula may not have a chance to fully mature. You can get started a few weeks earlier by starting your primula indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Coppell. You can expect an average low temperature of 10°F in the coldest months of winter.

Remember that USDA zone info for Coppell may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Coppell last frost occurs after March 15 so just be sure to be ready to cover your primula in the event of one of those late frosts.

USDA Zone Info for Coppell

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Coppell

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