The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to estimate when it's the best time to plant blue throatwort by using the USDA zone info for West Palm Beach.

Planting Calendar for Blue Throatwort

Frost tolerance for blue throatwort:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since blue throatwort require warm weather it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant blue throatwort in West Palm 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 blue throatwort and expect a good harvest is probably September. Any later than that and your blue throatwort may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your blue throatwort indoors.

Last Frost Date

In West Palm Beach the average date of last frost happens on January 31. It might get as low as 35°F during the coldest months of winter.

Since the USDA zone info for West Palm Beach may not be accurate from year to year the actual date of last frost is different every year. Half of the time in West Palm Beach you get a frost after January 31 so make sure that you are prepared to cover your blue throatwort if you have a late frost.

USDA Zone Info for West Palm Beach

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in West Palm Beach

You may be interested in your other planting guides for West Palm Beach.