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

By looking at the USDA zone info for Arlington it's possible to figure out when it's the best time to plant oxalis.

Planting Calendar for Oxalis

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

Since oxalis do not do well in cold weather it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant oxalis in Arlington 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 grow to maturity. 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 March 15 in Arlington. You should expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Arlington is just an average the actual date of last frost changes from year to year. Since half of the time in Arlington it frosts late in the year after March 15 be ready to protect your oxalis in the event of one of those late frosts.

USDA Zone Info for Arlington

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Arlington

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