One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Alvin should be reffered to in order to determine when to plant chrysocephalum.

Planting Calendar for Chrysocephalum

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

Chrysocephalum require warm weather which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant chrysocephalum in Alvin 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 chrysocephalum and expect a good harvest is probably September. Any later than that and your chrysocephalum may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your chrysocephalum indoors.

Last Frost Date

On average the last frost is on February 15 in Alvin. You can expect an average low temperature of 20°F in the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Alvin and it will vary from year to year. Since half of the time in Alvin you get surprised by a frost after February 15 be ready to cover your chrysocephalum in the event of one of those late frosts.

USDA Zone Info for Alvin

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 Alvin

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