One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant brussels sprouts in Alamosa can be determined by checking out the USDA zone info.

Planting Calendar for Brussels Sprouts

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

Since brussels sprouts are moderately cold tolerant you can plant them a little bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant brussels sprouts 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 brussels sprouts and expect a good harvest is probably August. You probably don't want to wait any later than that or else your brussels sprouts may not have a chance to fully mature. Starting your brussels sprouts indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in Alamosa. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Alamosa may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Alamosa you get surprised by a frost after May 15 so make sure that you are prepared to protect your brussels sprouts in the event of a 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.