When can I plant Cucumbers in Zone 9a

Before planting it is a good idea to find our USDA Zone info to estimate our garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

You will be able to determine when it's possible to plant cucumbers by checking out the USDA zone info for Zone 9a.


Planting Calendar for Cucumbers

Frost tolerance for cucumbers: Not tolerant of frost.
When you should plant them: After the last frost has passed.

Cucumbers do not do well in cold weather which tells us that it's necessary to wait until it warms up after the last frost has passed before you can plant them.

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

The earliest that you can plant cucumbers in Zone 9a 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 cucumbers and expect a good harvest is probably September. Any later than that and your cucumbers may not have a chance to grow to maturity. If you are starting your cucumbers indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Zone 9a. In the coldest months of winter we should expect an average low temperature of 20°F.

Since the USDA zone info for Zone 9a is just an average our actual date of last frost is different every year. Since half of the time in Zone 9a it frosts late in the year after February 15 be ready to cover your cucumbers in the event of a late frost.

USDA Zone Info for Zone 9a

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low20°F
Highest Expected Low25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Zone 9a

You may be interested in our other planting guides for Zone 9a.