One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Deer Park can be reffered to in order to figure out when to plant alternaria.

Planting Calendar for Alternaria

Frost tolerance for alternaria:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Alternaria are not cold tolerant which tells us that you must wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant alternaria in Deer Park 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 alternaria and expect a good harvest is probably September. If you wait any later than that and your alternaria may not have a chance to fully mature. Starting your alternaria indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Deer Park the average date of last frost happens on February 15. It might get as low as 20°F during the coldest months of winter.

Keep in mind that USDA zone info for Deer Park is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Deer Park you get surprised by a frost after February 15 so make sure that you are ready to protect your alternaria in the event of a late frost.

USDA Zone Info for Deer Park

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 Deer Park

You may be interested in your other planting guides for Deer Park.