The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Kenai it's possible to determine when it's a good idea to plant missouri primrose.

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 are moderately cold tolerant which tells us that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant missouri primrose in Kenai is March. However, you really should wait until April 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 August. Any later than that and your missouri primrose may not have a chance to really do well. You can get started a couple of weeks earlier by starting your missouri primrose indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Kenai. It might get as low as -25°F during the coldest months of winter.

Keep in mind that USDA zone info for Kenai is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Kenai you get surprised by a frost after May 15 so make sure that you are prepared to protect your missouri primrose if you have a surprise late frost.

USDA Zone Info for Kenai

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Kenai

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