One of the best tools that you have as gardeners to help us estimate 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.

In Sulphur you can estimate when you can plant chrysanthemums by referring to the USDA zone info.

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 plant them slightly earlier than other frost tender plants.

The earliest that you can plant chrysanthemums in Sulphur 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 chrysanthemums and expect a good harvest is probably August. Any later than that and your chrysanthemums may not have a chance to fully mature. You can get started a little bit earlier by starting your chrysanthemums indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Sulphur. In the coldest months of winter you can expect an average low temperature of 5°F.

Since the USDA zone info for Sulphur is an average the actual date of last frost is different every year. Half of the time in Sulphur you get surprised by a frost after April 15 so just be sure to be ready to cover your chrysanthemums if you have one of those late frosts.

USDA Zone Info for Sulphur

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Sulphur

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