One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

The best time to plant jasmine in Zone 3b should be estimated by referring to 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.

Since jasmine require warm weather you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant jasmine in Zone 3b 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 grow to maturity. You can get started a few weeks earlier by starting your jasmine indoors.

Last Frost Date

In Zone 3b the average date of last frost happens on May 15. You can expect an average low temperature of -35°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 Zone 3b and it will vary from year to year. Half of the time in Zone 3b you get a frost after May 15 so be sure to be ready to cover your jasmine in the event of one of those late frosts.

USDA Zone Info for Zone 3b

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-35°F
Highest Expected Low	-30°F

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

Plants to Grow in Zone 3b

You may be interested in your other planting guides for Zone 3b.