One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when to plant morning glory is to refer to the USDA zone info for Twin Falls.

Planting Calendar for Morning Glory

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

It's not a good idea to plant morning glory until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant morning glory in Twin Falls 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 morning glory and expect a good harvest is probably August. If you wait any later than that and your morning glory may not have a chance to really do well. You can get started a few weeks earlier by starting your morning glory indoors.

Last Frost Date

The average date of last frost is April 15 in Twin Falls. You should expect an average low temperature of -5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Twin Falls is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Twin Falls it frosts late in the year after April 15 so be sure to be ready to protect your morning glory if you have a surprise late frost.

USDA Zone Info for Twin Falls

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Twin Falls

You may be interested in your other planting guides for Twin Falls.