When to Plant Trailing Portulaca in Belgrade, MT

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. 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 trailing portulaca in Belgrade can be determined 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.

Since trailing portulaca are not cold tolerant you really should wait until after all chance of frost has passed before you can plant them.

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

The earliest that you can plant trailing portulaca in Belgrade is May. However, you really should wait until June 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 August. If you wait 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

In Belgrade the average date of last frost happens on May 15. It might get as low as -30°F during the coldest months of winter.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Belgrade and it can change quite a bit from year to year. Half of the time in Belgrade you get surprised by a frost after May 15 so make sure that you are prepared to protect your trailing portulaca in the event of a surprise late frost.

USDA Zone Info for Belgrade

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-30°F
Highest Expected Low-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Belgrade

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