When to Plant Iberis in Beloit, WI

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant iberis in Beloit should be estimated by reviewing the USDA zone info.


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 a little bit earlier in the year because they are moderately cold tolerant.

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 Beloit is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant iberis and expect a good harvest is probably September. Any later than that and your iberis may not have a chance to really do well. You can get started a few weeks earlier by starting your iberis indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Beloit. It might get as low as -15°F during the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Beloit and it will vary from year to year. Since half of the time in Beloit there is a last frost after April 15 be ready to cover your iberis if you have a surprise late frost.

USDA Zone Info for Beloit

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Beloit

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