The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant primula in Safford should be determined 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 cold weather which means that you can plant them earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant primula in Safford 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. You can get started a little bit earlier by starting your primula indoors.

Last Frost Date

The average date of last frost is March 15 in Safford. It might get as low as 15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Safford may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Safford last frost occurs after March 15 be ready to cover your primula in the event of a late frost.

USDA Zone Info for Safford

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Safford

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