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.

One way of getting a good idea when it's possible to plant oxalis is to look at the USDA zone info for Wellington.

Planting Calendar for Oxalis

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

Since oxalis are not cold tolerant you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant oxalis in Wellington 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 really do well. You can get started a couple of weeks earlier by starting your oxalis indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Wellington. In the coldest months of winter you can expect an average low temperature of -5°F.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Wellington and it is different every year. Half of the time in Wellington you get surprised by a frost after April 15 so make sure that you are prepared to protect your oxalis in the event of a surprise late frost.

USDA Zone Info for Wellington

Here is the info for USDA Zone 6b.

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

Plants to Grow in Wellington

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