Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant oxalis in Harriman should be estimated 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.

You can not plant oxalis until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant oxalis in Harriman 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. If you wait any later than that and your oxalis may not have a chance to really do well. You can get started a little bit earlier by starting your oxalis indoors.

Last Frost Date

The average date of last frost is April 15 in Harriman. You should expect an average low temperature of 0°F in the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Harriman and it is different every year. Half of the time in Harriman last frost occurs after April 15 so be sure to be ready to protect your oxalis in the event of a surprise late frost.

USDA Zone Info for Harriman

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Harriman

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