Before planting it is a good idea to find your USDA Zone info to estimate your garden 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 missouri primrose in Ivins should be determined by using the USDA zone info.

Planting Calendar for Missouri Primrose

Frost tolerance for missouri primrose:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Missouri Primrose do well in moderate cold which tells us that you can plant them earlier than more sensitive plants.

The earliest that you can plant missouri primrose in Ivins 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 missouri primrose and expect a good harvest is probably September. You probably don't want to wait any later than that or else your missouri primrose may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your missouri primrose indoors.

Last Frost Date

The average date of last frost is March 15 in Ivins. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Ivins may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Ivins last frost occurs after March 15 be ready to protect your missouri primrose in the event of a surprise late frost.

USDA Zone Info for Ivins

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 Ivins

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