When to Plant Portulaca in Sandy, OR

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

It's a good idea to determine when it's possible to plant portulaca by looking at the USDA zone info for Sandy.


Planting Calendar for Portulaca

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

It's not a good idea to plant portulaca until after the last frost when the weather gets warmer because they are not cold tolerant.

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 Sandy 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. Any later than that and your portulaca may not have a chance to really do well. If you are starting your portulaca indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Sandy the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 15°F.

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 Sandy and it is different every year. Since half of the time in Sandy last frost occurs after March 15 be ready to cover your portulaca if you have one of those late frosts.

USDA Zone Info for Sandy

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Sandy

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