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.

You will be able to figure out when you can plant gloriosa lily by reviewing the USDA zone info for Idaho Falls.

Planting Calendar for Gloriosa Lily

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

Since gloriosa lily require warm weather it's important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant gloriosa lily in Idaho 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 gloriosa lily and expect a good harvest is probably August. If you wait any later than that and your gloriosa lily may not have a chance to grow to maturity. Starting your gloriosa lily indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Idaho Falls the average date of last frost happens on April 15. It might get as low as -20°F during the coldest months of winter.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Idaho Falls and it is different every year. Half of the time in Idaho Falls you get a frost after April 15 so be sure to be ready to protect your gloriosa lily if you have one of those late frosts.

USDA Zone Info for Idaho Falls

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

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

Plants to Grow in Idaho Falls

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