The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Madison should be reffered to in order to determine when it's possible to plant garden orache.

Planting Calendar for Garden Orache

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

You can plant garden orache a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant garden orache 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 garden orache and expect a good harvest is probably August. Any later than that and your garden orache may not have a chance to really do well. Starting your garden orache indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Madison may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Madison it frosts late in the year after May 15 be ready to cover your garden orache in the event of a surprise 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.