One of the first steps you take when you are getting a good idea 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.

You should be able to figure out when it's possible to plant portulaca by using the USDA zone info for Garden City.

Planting Calendar for Portulaca

Frost tolerance for portulaca:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since portulaca are not cold tolerant it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant portulaca in Garden City is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant portulaca and expect a good harvest is probably August. If you wait any later than that and your portulaca may not have a chance to fully mature. If you are starting your portulaca 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 April 15 in Garden City. You should expect an average low temperature of 0°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Garden City is not always accurate and the actual date of last frost is different every year. Since half of the time in Garden City there is a last frost after April 15 be ready to cover your portulaca in the event of a surprise late frost.

USDA Zone Info for Garden City

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Garden City

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