Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Twin Falls it's possible to determine when to plant hibiscus.

Planting Calendar for Hibiscus

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

It's a bad idea to plant hibiscus until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant hibiscus in Twin Falls 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 hibiscus and expect a good harvest is probably August. Any later than that and your hibiscus may not have a chance to fully mature. You can get started a few weeks earlier by starting your hibiscus indoors.

Last Frost Date

In Twin Falls the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -5°F.

Keep in mind that USDA zone info for Twin Falls may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Twin Falls it frosts late in the year after April 15 so always be ready to cover your hibiscus in the event of one of those late frosts.

USDA Zone Info for Twin Falls

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Twin Falls

You may be interested in your other planting guides for Twin Falls.