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

The USDA zone info for West Palm Beach can be reffered to in order to estimate when it's the best time to plant lithospermum.

Planting Calendar for Lithospermum

Frost tolerance for lithospermum:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since lithospermum are not cold tolerant it's important to wait until after all chance of frost has passed before you can plant them.

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

Last Frost Date

In West Palm Beach the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 35°F.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for West Palm Beach and it is different every year. Half of the time in West Palm Beach there is a last frost after January 31 so be sure to be ready to protect your lithospermum if you have one of those late frosts.

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.