One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

The first chance to plant garden orache in Chattanooga can be figured out by referring to the USDA zone info.

Planting Calendar for Garden Orache

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

Garden Orache tend to make it in mild cold which tells us that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant garden orache in Chattanooga 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 garden orache and expect a good harvest is probably September. Any later than that and your garden orache may not have a chance to fully mature. You can get started a little bit earlier by starting your garden orache indoors.

Last Frost Date

The average date of last frost is April 15 in Chattanooga. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Chattanooga is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Chattanooga you get surprised by a frost after April 15 so make sure that you are prepared to protect your garden orache if you have a surprise late frost.

USDA Zone Info for Chattanooga

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Chattanooga

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