One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Casper you can determine when to plant jasmine by referring to the USDA zone info.

Planting Calendar for Jasmine

Frost tolerance for jasmine:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since jasmine require warm weather it is necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant jasmine in Casper is April. However, you really should wait until May 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. If you wait any later than that and your jasmine may not have a chance to really do well. You can get started a few weeks earlier by starting your jasmine indoors.

Last Frost Date

The average date of last frost is April 15 in Casper. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Casper is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Casper it frosts late in the year after April 15 so always be ready to cover your jasmine in the event of one of those late frosts.

USDA Zone Info for Casper

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

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

Plants to Grow in Casper

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