Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of figuring out when it's a good idea to plant oxalis is to look at the USDA zone info for Lebanon.

Planting Calendar for Oxalis

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

Oxalis are not cold tolerant which tells us that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant oxalis in Lebanon 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 really do well. If you are starting your oxalis indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Lebanon. In the coldest months of winter you should expect an average low temperature of 15°F.

Always keep in mind that USDA zone info for Lebanon may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Lebanon it frosts late in the year after March 15 be ready to cover your oxalis if you have a late frost.

USDA Zone Info for Lebanon

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Lebanon

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