One of the first steps you take when you are estimating 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.

You can estimate when it's the best time to plant oxalis in Manitou Springs by reviewing the USDA zone info.

Planting Calendar for Oxalis

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

Oxalis require warm weather which means that you must wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant oxalis in Manitou Springs 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. You probably don't want to wait any later than that or else your oxalis may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your oxalis indoors.

Last Frost Date

The average date of last frost is April 15 in Manitou Springs. You can expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Manitou Springs is just an average and the actual date of last frost will vary from year to year. Since half of the time in Manitou Springs you get surprised by a frost after April 15 be ready to cover your oxalis in the event of one of those late frosts.

USDA Zone Info for Manitou Springs

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 Manitou Springs

You may be interested in your other planting guides for Manitou Springs.