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.

It's possible to determine when you can plant missouri primrose by reviewing the USDA zone info for Sanibel.

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 tend to make it in a little bit of cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant missouri primrose in Sanibel is January. However, you really should wait until February 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 October. Any later than that and 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

In Sanibel the average date of last frost happens on January 31. You should expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Sanibel may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Sanibel you get surprised by a frost after January 31 so make sure that you are ready to protect your missouri primrose if you have one of those late frosts.

USDA Zone Info for Sanibel

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Sanibel

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