When to Plant Morning Glory in Zone 9b

One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Zone 9b you can figure out when it's possible to plant morning glory by looking at the USDA zone info.


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 when the weather gets warmer because they do not do well in cold weather.

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 9b 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. If you wait any later than that and your morning glory may not have a chance to fully mature. If you are starting your morning glory indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Zone 9b. It might get as low as 25°F during the coldest months of winter.

It's important to remember that USDA zone info for Zone 9b is not always accurate and the actual date of last frost changes from year to year. Half of the time in Zone 9b there is a last frost after February 15 so make sure that you are prepared to cover your morning glory if you have a late frost.

USDA Zone Info for Zone 9b

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 Low25°F
Highest Expected Low30°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 Zone 9b

You may be interested in your other planting guides for Zone 9b.