When to Plant Portulaca in Glendale, AZ

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 best time to plant portulaca in Glendale can be figured out by using the USDA zone info.


Planting Calendar for Portulaca

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

You really shouldn't plant portulaca until after the last frost has passed because they require warm weather.

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

The earliest that you can plant portulaca in Glendale 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 portulaca and expect a good harvest is probably September. Any later than that and your portulaca may not have a chance to really do well. You can get started a couple of weeks earlier by starting your portulaca indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Glendale. You can expect an average low temperature of 25°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Glendale and it is different every year. Since half of the time in Glendale you get surprised by a frost after February 15 be ready to cover your portulaca in the event of a late frost.

USDA Zone Info for Glendale

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 Glendale

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