The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of getting a good idea when you can plant morning glory is to check out the USDA zone info for Boulder City.

Planting Calendar for Morning Glory

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

It's a bad idea to plant morning glory until after the last frost because they do not do well in cold weather.

The earliest that you can plant morning glory in Boulder City 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 morning glory and expect a good harvest is probably September. Any later than that and your morning glory may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your morning glory indoors.

Last Frost Date

In Boulder City the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Boulder City may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Boulder City you get a frost after February 15 so just be sure to be ready to protect your morning glory in the event of one of those late frosts.

USDA Zone Info for Boulder City

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°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 30°F.

Plants to Grow in Boulder City

You may be interested in your other planting guides for Boulder City.