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.

A common way of making a decision about when it's possible to plant watercress is to refer to the USDA zone info for Indian Rocks Beach.

Planting Calendar for Watercress

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

Since watercress are barely cold tolerant you can plant them just a tiny bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant watercress in Indian Rocks Beach 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 watercress and expect a good harvest is probably September. You probably don't want to wait any later than that or else your watercress may not have a chance to really do well. Starting your watercress indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on January 31 in Indian Rocks Beach. In the coldest months of winter you can expect an average low temperature of 30°F.

Keep in mind that USDA zone info for Indian Rocks Beach is not always accurate and the actual date of last frost changes from year to year. Half of the time in Indian Rocks Beach it frosts late in the year after January 31 so be sure to be ready to cover your watercress if you have one of those late frosts.

USDA Zone Info for Indian Rocks Beach

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Indian Rocks Beach

You may be interested in your other planting guides for Indian Rocks Beach.