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.

You can figure out when to plant oxalis in Granite Falls by using 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.

Since oxalis are not cold tolerant it's important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant oxalis in Granite Falls 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 little bit earlier by starting your oxalis indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Granite Falls. In the coldest months of winter you can expect an average low temperature of 5°F.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Granite Falls and it will vary from year to year. Since half of the time in Granite Falls you get a frost after April 15 be ready to protect your oxalis if you have one of those late frosts.

USDA Zone Info for Granite Falls

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Granite Falls

You may be interested in your other planting guides for Granite Falls.