One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of estimating when you can plant nolana is to consult the USDA zone info for Columbia Falls.

Planting Calendar for Nolana

Frost tolerance for nolana:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

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

The earliest that you can plant nolana 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 nolana and expect a good harvest is probably August. Any later than that and your nolana may not have a chance to really do well. If you are starting your nolana indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Columbia 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.

Just be sure to remember that USDA zone info for Columbia Falls is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Columbia Falls you get surprised by a frost after April 15 so always be ready to cover your nolana in the event of one of those late frosts.

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.