When to Plant Jasmine in Decorah, IA

Before planting it is a good idea to find your USDA Zone info to figure out 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.

In Decorah you can figure out when it's the best time to plant jasmine by reviewing the USDA zone info.


Planting Calendar for Jasmine

Frost tolerance for jasmine: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

You should not plant jasmine until after the last frost because they are not cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant jasmine
Possibly ok, but a risky time to plant jasmine
Probably not a good time to plant jasmine

The earliest that you can plant jasmine in Decorah is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant jasmine and expect a good harvest is probably August. Any later than that and your jasmine may not have a chance to really do well. Starting your jasmine indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Decorah the average date of last frost happens on May 15. You should expect an average low temperature of -25°F in the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Decorah and it changes from year to year. Half of the time in Decorah you get surprised by a frost after May 15 so always be ready to cover your jasmine in the event of a surprise late frost.

USDA Zone Info for Decorah

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 Decorah

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