The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Alamosa you can estimate when you can plant nolana by using the USDA zone info.

Planting Calendar for Nolana

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

It's probably a bad idea to plant nolana until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant nolana in Alamosa is May. However, you really should wait until June 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. You probably don't want to wait any later than that or else your nolana may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your nolana indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Alamosa. In the coldest months of winter you can expect an average low temperature of -25°F.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Alamosa and it changes from year to year. Since half of the time in Alamosa last frost occurs after May 15 be ready to cover your nolana in the event of a surprise late frost.

USDA Zone Info for Alamosa

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Alamosa

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