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.

The first opportunity to plant oxalis in Hempstead can be determined 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.

Since oxalis do not do well in cold weather you really should wait until after the last frost before you can plant them.

The earliest that you can plant oxalis in Hempstead is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant oxalis and expect a good harvest is probably September. If you wait any later than that and your oxalis may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your oxalis indoors.

Last Frost Date

In Hempstead the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 20°F.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Hempstead and it is different every year. Half of the time in Hempstead you get surprised by a frost after February 15 so make sure that you are prepared to cover your oxalis if you have a late frost.

USDA Zone Info for Hempstead

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Hempstead

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