The USDA Zone info is a great tool for gardeners to help us estimate 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 Trenton can be used to estimate when you can 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.

Garden Orache are moderately cold tolerant which tells us that you can get them planted earlier than plants that are more sensitive to the cold.

The earliest that you can plant garden orache in Trenton 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. If you wait 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

On average the last frost is on April 15 in Trenton. In the coldest months of winter you should expect an average low temperature of -15°F.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Trenton and it changes from year to year. Half of the time in Trenton it frosts late in the year after April 15 so always be ready to cover your garden orache in the event of a surprise late frost.

USDA Zone Info for Trenton

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 Trenton

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