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.

You can figure out when it's possible to plant roses in Alamosa by checking out the USDA zone info.

Planting Calendar for Roses

Frost tolerance for roses:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Roses can survive in moderate cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant roses in Alamosa is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant roses and expect a good harvest is probably August. Any later than that and your roses may not have a chance to grow to maturity. Starting your roses indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Alamosa the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -25°F.

Keep in mind that USDA zone info for Alamosa is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Alamosa you get a frost after May 15 be ready to protect your roses 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.