One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant primula in Sallisaw should be estimated by referring to the USDA zone info.

Planting Calendar for Primula

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

Primula tend to make it in a bit of cold which means that you can plant them quite a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant primula in Sallisaw 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 grow to maturity. Starting your primula indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Sallisaw. You should expect an average low temperature of 5°F in the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Sallisaw and it changes from year to year. Half of the time in Sallisaw there is a last frost after April 15 so just be sure to be ready to protect your primula in the event of one of those late frosts.

USDA Zone Info for Sallisaw

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 Sallisaw

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