Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Largo it's possible to determine when it's possible to plant bittercress.

Planting Calendar for Bittercress

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

You can plant bittercress just a tiny bit earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant bittercress in Largo 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 bittercress and expect a good harvest is probably September. If you wait any later than that and your bittercress may not have a chance to grow to maturity. Starting your bittercress indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Largo. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Largo may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Largo you get surprised by a frost after January 31 so make sure that you are prepared to protect your bittercress in the event of one of those late frosts.

USDA Zone Info for Largo

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 Largo

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