When to Plant Morning Glory in Martinez, CA

One of the first steps you take when you are figuring out 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.

By referring to the USDA zone info for Martinez you should be able to determine when you can plant morning glory.


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 a bad idea to plant morning glory until after the last frost has passed 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 Martinez 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. You probably don't want to wait any later than that or else 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

On average all chance of frost has passed is on February 15 in Martinez. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Martinez is an average the actual date of last frost is different every year. Half of the time in Martinez it frosts late in the year after February 15 so make sure that you are prepared to cover your morning glory if you have a surprise late frost.

USDA Zone Info for Martinez

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 Martinez

You may be interested in your other planting guides for Martinez.