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

The first chance to plant oxalis in West Des Moines can be figured out by checking out the USDA zone info.

Planting Calendar for Oxalis

Frost tolerance for oxalis:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You can not plant oxalis until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant oxalis in West Des Moines is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant oxalis and expect a good harvest is probably August. Any later than that and your oxalis may not have a chance to fully mature. Starting your oxalis indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in West Des Moines. It might get as low as -20°F during the coldest months of winter.

Just be sure to remember that USDA zone info for West Des Moines is not always accurate and the actual date of last frost is different every year. Since half of the time in West Des Moines there is a last frost after April 15 be ready to cover your oxalis in the event of a surprise late frost.

USDA Zone Info for West Des Moines

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 West Des Moines

You may be interested in your other planting guides for West Des Moines.