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When to Plant Tropical Hibiscus in Belgrade, MT

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of making a decision about when you can plant tropical hibiscus is to use the USDA zone info for Belgrade.


Planting Calendar for Tropical Hibiscus

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

Tropical Hibiscus do not do well in cold weather which tells us that it's necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

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

The earliest that you can plant tropical 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 tropical hibiscus and expect a good harvest is probably August. Any later than that and your tropical hibiscus may not have a chance to really do well. Starting your tropical hibiscus indoors is a great way to get them started a few weeks earlier.

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.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Belgrade and it changes from year to year. Half of the time in Belgrade there is a last frost after May 15 so always be ready to protect your tropical hibiscus in the event of 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.