When to Plant Iberis in Torrington, WY

One of the first steps you take when you are making a decision about 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.

By looking at the USDA zone info for Torrington it's possible to determine when it's a good idea to plant iberis.


Planting Calendar for Iberis

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

You can plant iberis just a bit earlier in the year because they do well in moderate cold.

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

The earliest that you can plant iberis in Torrington 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 iberis and expect a good harvest is probably August. If you wait any later than that and your iberis may not have a chance to fully mature. Starting your iberis indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Torrington 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.

It's important to remember that USDA zone info for Torrington is just an average and the actual date of last frost changes from year to year. Half of the time in Torrington you get surprised by a frost after May 15 so be sure to be ready to cover your iberis in the event of one of those late frosts.

USDA Zone Info for Torrington

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 Torrington

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