One of the best tools that you have as gardeners to help us determine 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.

You can estimate when to plant trailing portulaca in Tracy by looking at the USDA zone info.

Planting Calendar for Trailing Portulaca

Frost tolerance for trailing portulaca:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Trailing Portulaca require warm weather which means that it is important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant trailing portulaca in Tracy 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 trailing portulaca and expect a good harvest is probably September. Any later than that and your trailing portulaca may not have a chance to grow to maturity. You can get started a little bit earlier by starting your trailing portulaca indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Tracy. You should expect an average low temperature of 20°F in the coldest months of winter.

It's important to remember that USDA zone info for Tracy may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Tracy you get a frost after February 15 so always be ready to protect your trailing portulaca if you have one of those late frosts.

USDA Zone Info for Tracy

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 Low	20°F
Highest Expected Low	25°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 Tracy

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