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When to Plant Oriental poppies in Alamosa, CO

One of the first steps you take when you are estimating 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.

You can determine when you can plant oriental poppies in Alamosa by using the USDA zone info.

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Planting Calendar for Oriental poppies

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

Oriental poppies are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them a little bit earlier than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant oriental poppies
Possibly ok, but a risky time to plant oriental poppies
Probably not a good time to plant oriental poppies

The earliest that you can plant oriental poppies 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 oriental poppies and expect a good harvest is probably August. You probably don't want to wait any later than that or else your oriental poppies may not have a chance to really do well. You can get started a couple of weeks earlier by starting your oriental poppies indoors.

Last Frost Date

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

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Alamosa and it will vary from year to year. Half of the time in Alamosa there is a last frost after May 15 so make sure that you are ready to cover your oriental poppies if you have one of those late frosts.

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.