Before planting it is a good idea to find your USDA Zone info to estimate 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.

A common way of figuring out when it's a good idea to plant nasturtium is to use the USDA zone info for Durango.

Planting Calendar for Nasturtium

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

Since nasturtium do not do well in cold weather you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant nasturtium in Durango 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 nasturtium and expect a good harvest is probably August. You probably don't want to wait any later than that or else your nasturtium may not have a chance to fully mature. You can get started a few weeks earlier by starting your nasturtium indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Durango. In the coldest months of winter you should expect an average low temperature of -10°F.

Always keep in mind that USDA zone info for Durango is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Durango you get a frost after April 15 so be sure to be ready to cover your nasturtium in the event of a surprise late frost.

USDA Zone Info for Durango

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Durango

You may be interested in your other planting guides for Durango.