Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. 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 Hillsboro should be figured out by reviewing 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 do well in moderate cold which tells us that you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant garden orache in Hillsboro 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. You probably don't want to wait any later than that or else your garden orache may not have a chance to fully mature. If you are starting your garden orache indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost is on March 15 in Hillsboro. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Hillsboro may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Hillsboro you get a frost after March 15 so make sure that you are ready to protect your garden orache if you have one of those late frosts.

USDA Zone Info for Hillsboro

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Hillsboro

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