The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Oelwein can be reffered to in order to figure out when it's the best time 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.

Garden Orache do well in some cold which means that you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant garden orache in Oelwein 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. Starting your garden orache indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Oelwein. It might get as low as -20°F during the coldest months of winter.

It's important to remember that USDA zone info for Oelwein is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Oelwein you get a frost after April 15 be ready to cover your garden orache in the event of a surprise late frost.

USDA Zone Info for Oelwein

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Oelwein

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