frostdate name logo in white
frostdate name logo in white

When to Plant Gloriosa Lily in Columbia Falls, MT

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when it's the best time to plant gloriosa lily is to consult the USDA zone info for Columbia Falls.


Planting Calendar for Gloriosa Lily

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

Gloriosa Lily require warm weather which tells us that it's important to wait until it warms up after the last frost before you can plant them.

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

The earliest that you can plant gloriosa lily in Columbia 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. You probably don't want to wait any later than that or else your gloriosa lily may not have a chance to fully mature. Starting your gloriosa lily indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Columbia Falls. In the coldest months of winter you should expect an average low temperature of -20°F.

Just be sure to 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 Columbia Falls and it changes from year to year. Half of the time in Columbia Falls there is a last frost after April 15 so just be sure to be ready to cover your gloriosa lily in the event of a late frost.

USDA Zone Info for Columbia 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 Columbia Falls

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