Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant arabis in Madison can be determined by reviewing the USDA zone info.

Planting Calendar for Arabis

Frost tolerance for arabis:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant arabis much earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

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

Last Frost Date

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

Just be sure to remember that USDA zone info for Madison is just an average and the actual date of last frost will vary from year to year. Half of the time in Madison you get surprised by a frost after May 15 so be sure to be ready to protect your arabis if you have a late frost.

USDA Zone Info for Madison

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 Madison

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