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When to Plant Four O' Clock in Sullivan City, TX

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 first opportunity to plant four o' clock in Sullivan City can be estimated by checking out the USDA zone info.


Planting Calendar for Four O' Clock

Frost tolerance for four o' clock: Not tolerant of frost.
When to plant: After all chance of frost has passed.

You really shouldn't plant four o' clock until after all chance of frost has passed because they do not do well in cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant four o' clock
Possibly ok, but a risky time to plant four o' clock
Probably not a good time to plant four o' clock

The earliest that you can plant four o' clock in Sullivan 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 four o' clock and expect a good harvest is probably September. You probably don't want to wait any later than that or else your four o' clock may not have a chance to really do well. If you are starting your four o' clock indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on February 15 in Sullivan City. It might get as low as 25°F during the coldest months of winter.

Keep in mind that USDA zone info for Sullivan City is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Sullivan City you get surprised by a frost after February 15 be ready to cover your four o' clock if you have one of those late frosts.

USDA Zone Info for Sullivan 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 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 Sullivan City

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