One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when you can plant garden orache is to check out the USDA zone info for Portsmouth.

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 just a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant garden orache in Portsmouth 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 grow to maturity. If you are starting your garden orache indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Portsmouth. You should expect an average low temperature of 10°F in the coldest months of winter.

Keep in mind that USDA zone info for Portsmouth is an average and the actual date of last frost changes from year to year. Half of the time in Portsmouth you get surprised by a frost after March 15 so always be ready to cover your garden orache in the event of a late frost.

USDA Zone Info for Portsmouth

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

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

Plants to Grow in Portsmouth

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