When to Plant Morning Glory in Zone 12b

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.

The earliest that you can plant morning glory in Zone 12b can be figured out by checking out the USDA zone info.


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.

Since morning glory are not cold tolerant it's important to wait until after the last frost before you can plant them.

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

The earliest that you can plant morning glory in Zone 12b is January. However, you really should wait until February 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 November. If you wait any later than that and your morning glory may not have a chance to grow to maturity. Starting your morning glory indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Zone 12b it never frosts. In the coldest months of winter you should expect an average low temperature of 55°F.

Since the USDA zone info for Zone 12b is an average the actual date of last frost will vary from year to year. Since it never frosts in Zone 12b you do not have to be ready to protect your morning glory if you have one of those late frosts.

USDA Zone Info for Zone 12b

Here is the info for USDA Zone 12b.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low55°F
Highest Expected Low60°F

This means that on a really cold year, the coldest it will get is 55°F. On most years you should be prepared to experience lows near 60°F.

Plants to Grow in Zone 12b

You may be interested in your other planting guides for Zone 12b.