One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of determining when to plant primroses is to check out the USDA zone info for Bella Vista.

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 means that you can get them planted much earlier than other frost tender plants.

The earliest that you can plant primroses in Bella Vista 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 Bella Vista. You should expect an average low temperature of -5°F in the coldest months of winter.

Keep in mind that USDA zone info for Bella Vista may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Bella Vista you get a frost after April 15 be ready to cover your primroses if you have a late frost.

USDA Zone Info for Bella Vista

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 Bella Vista

You may be interested in your other planting guides for Bella Vista.