One of the first steps you take when you are determining 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.

The USDA zone info for Delano can be reffered to in order to determine when it's a good idea to plant trailing portulaca.

Planting Calendar for Trailing Portulaca

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

Trailing Portulaca are not cold tolerant which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant trailing portulaca in Delano 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. If you wait any later than that and your trailing portulaca may not have a chance to fully mature. If you are starting your trailing portulaca indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Delano is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Delano it frosts late in the year after February 15 so make sure that you are ready to cover your trailing portulaca if you have one of those late frosts.

USDA Zone Info for Delano

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 Low	25°F
Highest Expected Low	30°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 Delano

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