When to Plant Hibiscus in Belgrade, MT

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.

The first opportunity to plant hibiscus in Belgrade should be determined by referring to the USDA zone info.


Planting Calendar for Hibiscus

Frost tolerance for hibiscus: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Since hibiscus are not cold tolerant it is necessary to wait until after all chance of frost has passed before you can plant them.

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

The earliest that you can plant hibiscus 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 hibiscus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your hibiscus may not have a chance to fully mature. You can get started a little bit earlier by starting your hibiscus indoors.

Last Frost Date

In Belgrade the average date of last frost happens on May 15. You can expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Belgrade is an average the actual date of last frost will vary from year to year. Half of the time in Belgrade last frost occurs after May 15 so be sure to be ready to protect your hibiscus if you have one of those late frosts.

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.