One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant cosmos in Hitchcock can be figured out by checking out the USDA zone info.

Planting Calendar for Cosmos

Frost tolerance for cosmos:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Cosmos do ok in moderate cold which tells us that you can start planting them slightly earlier than more sensitive plants.

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

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

Last Frost Date

On average all chance of frost has passed is on February 15 in Hitchcock. In the coldest months of winter you should expect an average low temperature of 20°F.

Keep in mind that USDA zone info for Hitchcock is just an average and the actual date of last frost will vary from year to year. Half of the time in Hitchcock there is a last frost after February 15 so make sure that you are ready to protect your cosmos in the event of a surprise late frost.

USDA Zone Info for Hitchcock

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 Hitchcock

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