Before planting it is a good idea to find your USDA Zone info to determine 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.

By referring to the USDA zone info for Seabrook you should be able to estimate when it's the best time to plant chrysanthemums.

Planting Calendar for Chrysanthemums

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

Chrysanthemums do ok in moderate cold which means that you can start planting them slightly earlier than more sensitive plants.

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

Last Frost Date

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

Just be sure to remember that USDA zone info for Seabrook may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Seabrook it frosts late in the year after February 15 be ready to protect your chrysanthemums if you have a surprise late frost.

USDA Zone Info for Seabrook

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 Seabrook

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